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 - 6-3 Solving Systems Using Elimination - Got It? - Page 379: 2


$y=30$ $x=20$

Work Step by Step

Number of cars washed=$x$ Number of trucks washed= $y$ $2x + 3y =130$ $2x + 5y =190$ Now, we can eliminate $x$. $-2y = -60 \rightarrow y=30$ Solve for x: $x=20$
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