Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 86: 73


21 aces

Work Step by Step

We use the word problem to set up the equation (Average=$\frac{aces} {numbergames}$ ) and fill our values accordingly.The average is 0.3 and the number of games is 70 so you have to find the number of aces. 0.3=$\frac{aces}{70}$ To solve this, you have to multiply both sides of the equation by 70 in order to isolate aces and solve the equation. 0.3$\times$70=ACES Aces=21
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