Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Section 4.4 - Systems of Linear Equations and Problem Solving - Exercise Set - Page 319: 21

Answer

McDonalds price= 62.50, Ohio Art Company price = 2.50

Work Step by Step

35 shares of McDonalds (M) 69 shares of Art (A) $m = 60+a$ $35*m+69*a=2360$ $m = 60+a$ $35*m+69*a=2360$ $35*(60+a)+69*a=2360$ $2100 + 35a + 69a=2360$ $2100+104a=2360$ $104a=260$ $104a/104 = 260/104$ $a = 2.50$ $m=60+a$ $m=60+2.5$ $m=62.5$
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