Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - Mixed Review of Problem Solving - Lessons 3.1-3.4 - Page 186: 1a


$3.5x+2.5y=121$ $9x+7.5y=324$

Work Step by Step

Let's x = the number of necklaces y = the number of bracelets The total cost of material to make necklaces and bracelets: $3.5x+2.5y=121$ The total income: $9x+7.5y=324$ Hence the system of equations is: $3.5x+2.5y=121$ $9x+7.5y=324$
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