Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Apply What You've Learned - Page 377: d


Interpreting the solution in terms of how we defined $x$ and $y$ in part (a), Ashley spends $\displaystyle \frac{80}{3}=26\frac{2}{3}$ minutes on the stair machine, and $\displaystyle \frac{40}{3}=13\frac{1}{3}$ minutes on the rowing machine (This is a total of 40 minutes of exercise.)

Work Step by Step

Given above.
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