Answer
I
Work Step by Step
$x+y=25$
$.05x+.1y=2.30$
$x+y=25$
$x=25-y$
$.05(25-y)+.1y=2.3$
$1.25-.05y+.1y=2.3$
$1.25+.05y = 2.3$
$.05y = 1.05$
$ y = 21$
$x+y=25$
$x+21 = 25$
$x=4$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - Cumulative Test Prep - Multiple Choice - Page 410: 14
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