Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.1 Solving Linear Equations - 1.1 Exercises - Page 13: 34


a. $R=2.50(x)$ b. 7500 dollars c. $P=(2.50-0.45)x-7000$ d. 2225 dollars e. 3414 dollars

Work Step by Step

a. R=revenue, x= number of snow cones sold $R=2.50(x)$ b. x=3000 $R=2.50(3000)$ $R=7500$ c. P=profit, x=number of snow cones sold $P=(2.50-0.45)x-7000$ d. x=4500 $P=2.05(4500)-7000$ $P=9225-7000$ $P=2225$ e. P=0 $0=2.05(x)-7000$ $0+7000=2.05(x)$ $7000=2.05(x)$ $7000\div2.05=x$ $x=3414$
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