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 - Chapter Review - Page 409: 18


Owner charges $55 per haircut.

Work Step by Step

Use the information given to make two equations:x=a+20 and 12a+6x=750.Solve for X to find the price per haircut: 12a+6(a+20)=750 -plug in the first equation into the second- 12+6a+120=750 -distribute- 18a+120=750 -simplify like terms- 18a=630 -subtract 120 from both sides- a=35 Plug in a=35 into one of the equations: x=35+20 x=55 Each haircut is $55.
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