Chapter 3

Evaluate the expression. $$ 8+4 \div(3-1) $$

Write the sentence as an equation. The product of 5 and a number \(x\) is \(160 .\)

Subtract. $$ 3.6-0.5 $$

Evaluate the expression. \(\frac{(3-6)^{2}+6}{-5}\)

Add. Write the answer as a fraction or as a mixed number in simplest form. $$ 6 \frac{21}{40}+10 \frac{9}{40} $$

SOLVING EQUATIONS Solve the equation. (Lesson 3.1) $$ -6+x=-15 $$

Write the sentence as an equation. 36 decreased by a number \(k\) is \(15 .\)

Evaluate the expression. $$ 14-2 \cdot 5-3 $$

Subtract. $$ 12.44-6.02 $$

Complete the statement using \(<,>,\) or \(=\). \(\frac{1}{4} ? 0.35\)

SOLVING EQUATIONS Solve the equation. (Lesson 3.1) $$ x-(-6)=8 $$

Add. Write the answer as a fraction or as a mixed number in simplest form. $$ 9 \frac{12}{16}+15 \frac{13}{16} $$

Write the sentence as an equation. 36 decreased by a number \(k\) is \(15 .\)

You want to buy a pair of sneakers that costs \(\$ 49.99 .\) The state sales tax adds \(\$ 2.99\) to the total cost. If you have \(\$ 53,\) do you have enough money to buy the sneakers? (Lesson \(1.4)\)

Subtract. $$ 22.87-2.99 $$

Complete the statement using \(<,>,\) or \(=\). \(1.5 ? \frac{5}{5}\)

SOLVING EQUATIONS Solve the equation. (Lesson 3.1) $$ a-(-9)=-2 $$

Add. Write the answer as a fraction or as a mixed number in simplest form. $$ 3 \frac{8}{11}+5 \frac{3}{11} $$

Write the sentence as an equation. The quotient of a number \(y\) and 3 is 12

Find the sum. $$ 3+(-4) $$

Subtract. $$ 56.32-33.83 $$

Complete the statement using \(<,>,\) or \(=\). \(0.30 ? \frac{2}{3}\)

PHOTOGRAPHY You take 24 pictures. Six of the pictures cannot be developed because of bad lighting. Let \(x\) represent the number of pictures that can be developed successfully. Which of the following is a correct model for the situation? Solve the correct equation. (Lesson 3.1) $$ \begin{array}{lll} {\text { A. } x+6=24} & {\text { B. } 6 x=24} & {\text { C. } x-6=24} & {\text { D. } x+24=6} \end{array} $$

Add. Write the answer as a fraction or as a mixed number in simplest form. $$ 8 \frac{1}{3}+2 \frac{2}{3} $$

Use the distributive property to rewrite the expression without parentheses. $$ 4(x+2) $$

Find the sum. $$ -6+2 $$

Complete the statement using \(<,>,\) or \(=\). \(\frac{8}{5} ? 1.6\)

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 5,35 $$

Add. Write the answer as a fraction or as a mixed number in simplest form. $$ 6 \frac{7}{10}+7 \frac{5}{10} $$

Use the distributive property to rewrite the expression without parentheses. $$ 7(3-2 y) $$

Find the sum. $$ -11+(-8) $$

Complete the statement using \(<,>,\) or \(=\). \(\frac{17}{2} ? 9.5\)

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 30,40 $$

Use the distributive property to rewrite the expression without parentheses. $$ -5(y+4) $$

Find the sum. $$ 5+16+(-9) $$

Complete the statement using \(<,>,\) or \(=\). \(0 ? \frac{0}{7}\)

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 12,22 $$

Use the distributive property to rewrite the expression without parentheses. $$ (3 x+8)(-2) $$

Find the sum. $$ 8+(-7)+(-10) $$

Complete the statement using \(<,>,\) or \(=\). \(2.7 ? \frac{14}{5}\)

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 10,25 $$

Use the distributive property to rewrite the expression without parentheses. $$ -2(x-6) $$

Find the sum. $$ -22+(-5)+4 $$

Complete the statement using \(<,>,\) or \(=\). \(\frac{6}{8} ? 0.75\)

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 17,51 $$

Solve the equation. $$ 15 x=255 $$

Use the distributive property to rewrite the expression without parentheses. $$ 3(8-7 x) $$

GREATEST COMMON FACTOR Find the greatest common factor of the pair of numbers. (Skills Review p. 761 ) $$ 27,36 $$

Solve the equation. $$ 236 x=0 $$

Write the answer as a fraction or as a mixed number in simplest form. $$ \frac{2}{3} \cdot \frac{6}{7} $$