Answer
$y=30$
$x=20$
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: $x=20$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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
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