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 - 6-1 Solving Systems by Graphing - Practice and Problem-Solving Exercises - Page 367: 19

Answer

Right handed: 27 Students Left Handed: 3 Students

Work Step by Step

Let "r" represent right handed students Let "l" represent left handed students r=9l r+l=30 Substitute the l into the equation 9l+l=30 10l=30 l=3 r=9(3) r= 27 Right handed: 27 Students Left Handed: 3 Students
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