Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Standardized Test Prep - Page 87: 79



Work Step by Step

The equation is y=1.75m. "M' represents the amount of miles Luis ran, "y" means the amount of money that was raised. The value of "y" was given to us: 21 dollars. Now plug it into the equation: 21=1.75m. Divide 1.75 on both sides to get the "m" value alone. $$\frac{21}{1.75}=\frac{1.75}{1.75}m$$ $$m=12$$
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