Elementary Technical Mathematics

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

Chapter 1 - Section 1.12 - Multiplication and Division of Decimal Fractions - Exercises - Page 72: 40

Answer

14 cuts

Work Step by Step

Let x be the number of cuts. 0.018x represents the amount removed by x cuts. Write an equation using the starting and ending lengths and solve for x. $2.640-0.018x=2.388$ $2.640-0.018x-2.640=2.388-2.640$ $-0.018x=-0.252$ $-0.018x\div-0.018=-0.252\div-0.018$ $x=14$
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