Chapter 8
Prealgebra · 253 exercises
Problem 1
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 4 hours 30 minutes to a. Minutes b. Hours
4 step solution
Problem 1
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(5 \mathrm{ft}\) to inches
4 step solution
Problem 2
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 2 hours 45 minutes to a. Minutes b. Hours
5 step solution
Problem 2
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(9 \mathrm{ft}\) to inches
4 step solution
Problem 3
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 5 hours 20 minutes to a. Minutes b. Hours
4 step solution
Problem 3
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(10 \mathrm{ft}\) to inches
4 step solution
Problem 4
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 4 hours 40 minutes to a. Minutes b. Hours
3 step solution
Problem 4
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(20 \mathrm{ft}\) to inches
3 step solution
Problem 5
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 2 yd to feet
4 step solution
Problem 6
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 8 minutes 45 seconds to a. Seconds b. Minutes
3 step solution
Problem 6
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 8 yd to feet
3 step solution
Problem 7
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 5 minutes 20 seconds to a. Seconds b. Minutes
4 step solution
Problem 7
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 4.5 yd to inches
4 step solution
Problem 8
A use the tables of conversion factors given in this section and other sections in this chapter to make the following conversions. (Round your answers to the nearest hundredth.) [Example 1] 4 minutes 40 seconds to a. Seconds b. Minutes
3 step solution
Problem 8
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 9.5 yd to inches
3 step solution
Problem 9
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 27 in. to feet
4 step solution
Problem 10
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 36 in. to feet
4 step solution
Problem 11
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(2.5 \mathrm{mi}\) to feet
4 step solution
Problem 12
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. \(6.75 \mathrm{mi}\) to feet
4 step solution
Problem 13
Make the following conversions in the U.S. system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or mixed numbers. 48 in. to yards
3 step solution
Problem 15
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(18 \mathrm{m}\) to centimeters
3 step solution
Problem 16
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(18 \mathrm{m}\) to millimeters
3 step solution
Problem 17
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(4.8 \mathrm{km}\) to meters
4 step solution
Problem 18
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(8.9 \mathrm{km}\) to meters
4 step solution
Problem 19
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 4 hours 47 minutes and 6 hours 13 minutes.
4 step solution
Problem 19
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(5 \mathrm{dm}\) to centimeters
4 step solution
Problem 20
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 5 hours 39 minutes and 2 hours 21 minutes.
4 step solution
Problem 20
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. 12 dm to millimeters
4 step solution
Problem 21
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 8 feet 10 inches and 13 feet 6 inches
3 step solution
Problem 21
Use the tables given in this section to make the following conversions. Be sure to show the conversion factor used in each case. 7 ha to ares
3 step solution
Problem 21
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(248 \mathrm{m}\) to kilometers
4 step solution
Problem 22
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 16 feet 7 inches and 7 feet 9 inches.
5 step solution
Problem 22
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(969 \mathrm{m}\) to kilometers
4 step solution
Problem 23
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 4 pounds 12 ounces and 6 pounds 4 ounces.
4 step solution
Problem 23
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(67 \mathrm{cm}\) to millimeters
4 step solution
Problem 24
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Add 11 pounds 9 ounces and 3 pounds 7 ounces.
5 step solution
Problem 24
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(67 \mathrm{mm}\) to centimeters
4 step solution
Problem 25
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Subtract 2 hours 35 minutes from 8 hours 15 minutes.
6 step solution
Problem 25
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(3,498 \mathrm{cm}\) to meters
4 step solution
Problem 26
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Subtract 3 hours 47 minutes from 5 hours 33 minutes.
5 step solution
Problem 26
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(4,388 \mathrm{dm}\) to meters
4 step solution
Problem 27
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Subtract 3 hours 43 minutes from 7 hours 30 minutes.
5 step solution
Problem 27
Use the conversion factors in Tables 1 and 2 to make the following conversions. (TABLE CANT COPY) \(1,578\) mg to grams
4 step solution
Problem 27
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(63.4 \mathrm{cm}\) to decimeters
4 step solution
Problem 28
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Subtract 1 hour 44 minutes from 6 hours 22 minutes.
5 step solution
Problem 28
The Google Earth image is of Lake Clark National Park in Alaska. Lake Clark has an average temperature of 40 degrees Fahrenheit. What is its average temperature in Celsius to the nearest degree? (picture not copy)
6 step solution
Problem 28
Use the conversion factors in Tables 1 and 2 to make the following conversions. (TABLE CANT COPY) \(1,979\) mg to grams
3 step solution
Problem 28
Make the following conversions in the metric system by multiplying by the appropriate conversion factor. Write your answers as whole numbers or decimals. \(89.5 \mathrm{cm}\) to decimeters
3 step solution
Problem 29
Perform the indicated operation. Again, remember to use the appropriate conversion factor. [Examples \(2,3]\) Subtract 4 hours 17 minutes from 5 hours 9 minutes.
4 step solution
Problem 29
Liquid medication is usually given in milligrams per milliliter. Use the information to find the amount a patient should take for a prescribed dosage. Vantin \(^{\circ}\) has a dosage strength of \(100 \mathrm{mg} / 5 \mathrm{mL}\). If a patient is prescribed a dosage of \(150 \mathrm{mg}\), how many milliliters should she take?
4 step solution