Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.4 Solve Systems of Linear Equations in Three Variables - 3.4 Exercises - Problem Solving - Page 184: 44a


$30c+60d+60r=360$, $c+d+r=7$, $d=2c$

Work Step by Step

Let $c$ be the number of comedy episodes recorded. Then our equations according to the text of the exercise are: $30c+60d+60r=360$, $c+d+r=7$, $d=2c$
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