Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.2 - Proportion - Exercises - Page 277: 52


825 lb

Work Step by Step

Create a proportion using ratios of pounds : acre. $\frac{150\ lb}{40\ acre}=\frac{x\ lb}{220\ acre}$ Set the product of the means equal to the product of the extremes and solve for the variable. $40\times x = 150\times220$ $40x=33000$ $40x\div40=33000\div40$ $x=825$
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