Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.7 - Modeling with Equations - 1.7 Exercises - Page 79: 78

Answer

1200lbs

Work Step by Step

The formula is very simple. $w_{1}*x_{1} = w_{2}*x_{2}$ We know: $w_{1} = 240$ $x_{1} = 25$ $x_{2} = 5$ So lets plug those into our equation and solve: $240*25 = 5 * w$ $6000 = 5w$ $\frac{6000}{5} = w$ $1200 = w$
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