Answer
$x=30,y=75$
Work Step by Step
As per the statement: $x+2y=180$ and $y+3x+15=180$
Plug $x=180-2y$ in the second equation, then we get
$y+3(180-2y)+15=180 \implies -5y=-375$
or, $y=75$
Now, $x+2(75)=180 \implies x=30$
Thus, $x=30,y=75$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.2 - Problem Solving and Business Applications Using Systems of Equations - Exercise Set - Page 206: 36
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
