Algebra 1

by Hall, Prentice

Published by Prentice Hall

ISBN 10: 0133500403

ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-2 Direct Variation - Practice and Problem-Solving Exercises - Page 304: 43

Answer

a) 2/5 b) 52

Work Step by Step

Letting f=Force and w being weight, f=w$\times$x, where is a number. Given the force and weight, the equation becomes 20=50$\times$x. This leaves x=2/5. The equation becomes f=2/5$\times$x. Plugging in 130, we get 52.

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