Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises: 59

Answer

$x=3$

Work Step by Step

3 people went bowling.The shoe rental is $2.50$ whereas the cost per game is $5.30$. We know that $ 55.20$ was spent in total. Thus; $3\times5.3(x)+3(2.5)=55.2$ (simplify) $15.9x+6.5=55.2$ (multiply both sides by 10 so it can be easier to solve) $159x+75=552$ (subtract 75 from both sides) $159x=477$ (divide both sides by 159 to isolate the variable) $x=3$ Thus, 3 games were played.
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