Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Practice and Problem-Solving Exercises: 36

Answer

6 large prints, 12 small prints

Work Step by Step

x = large print, y = small print, 510 for booth fee $y=2x$ $20y+45x=510$ $20(2x)+45x = 510$ $40x+45x = 510$ $85 x = 510$ $85x/85 = 510/85$ $x = 6$
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