Elementary Technical Mathematics

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

Chapter 1 - Section 1.1 - Review of Basic Operations - Exercise: 69

Answer

19 inches

Work Step by Step

First, convert all the values in the question to the same unit for easy calculation. Inches are chosen for easy conversion. 8ft= 96 inches 10 inches= 10 inches 1 ft 2 inches = 14 inches Next, find the total distance between the first stripe and the last stripe. There are three strips and two gaps between these points. Total distance is found by adding the total distance of the stripes and total distance of the gaps. Total distance = $3\times10+2\times14=58$inches The two spaces between the left of the plywood and the first stripe and between the right of the plywood and the third stripe are equal. The distance of these two spaces is found by deducting the distance between the two stripes from the total distance of the plywood: Distance = 96-58=38 inches As only one of this spaces is required by the question the above value is divided by 2 to find the answer. 38/2=19 inches Ans= 19 inches
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