Algebra 1: Common Core (15th Edition)

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

Chapter 3 - Solving Inequalities - 3-3 Solving Inequalities Using Multiplication or Division - Practice and Problem-Solving Exercises - Page 182: 49


distance travelled=speed$\times$time $time=\frac{distance}{speed}\leq25$ $0.08$ miles/minute

Work Step by Step

distance travelled=speed$\times$time to be at the park in at most 25 min, we need to have $time=\frac{distance}{speed}\leq25$ to solve the problem you need to have $\frac{distance}{25}\leq speed$ because the distance is equal to 2 miles, you can conclude that $\frac{2}{25}\leq speed$ Simplify: $0.08\leq speed$ this means that he needs to run at a speed greater than $0.08$ miles/minute
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