Problem 52
Question
Find the sum. Use a calculator if you wish. $$20.37+190.8+(-85.13)$$
Step-by-Step Solution
Verified Answer
The sum of 20.37, 190.8 and -85.13 is 125.04.
1Step 1: Add Positive Numbers
First, add the positive numbers. This involves the addition of 20.37 and 190.8. To add these numbers accurately, it is best to line them up by their decimal points.
2Step 2: Subtract Negative Number
Next, subtract the third number, which is negative (-85.13). This is equivalent to adding the absolute value of this number to the sum of the first two numbers. Subtracting a negative number is the same as addition, which is a key point in this exercise.
3Step 3: Perform the Calculation
Finally, perform the addition and subtraction operation. The sum of the first two numbers is 211.17. Subtracting 85.13 from this result gives the final sum.
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