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: 48


$190 commission

Work Step by Step

Create a proportion using ratios of commission:sale. $\frac{\$75\ commission}{\$300\ sale}=\frac{\$x\ commission}{\$760\ sale}$ Set the product of the means equal to the product of the extremes and solve for the variable. $300\times x=75\times 760$ $300x=57000$ $300x\div300=57000\div300$ $x=190$
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