Concept explainers
How many times can she walk around the track in a half hour.
Answer to Problem 4GP
Explanation of Solution
Given information:
She can walk around the gym track twice in 7 minutes.
Concept Used:
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
Rules of Multiplication/ Division:
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
Calculation:
In order to find the number of rounds that she can walk around the track in a half hour, use the
Thus, in a half hour she can walk around the gym track 8 and half times.
Chapter 2 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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