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: 57

Answer

36 Daylilies

Work Step by Step

First, find the total distance of the side walk in inches. Since 1ft = 12 inches, 30ft = 12 × 30 = 360 inches. Next, find the distance where the daylilies will be planted. They are planted 5 in from each end, so this distance will be: 360-5×2=350 inches. The total number of daylilies can now be found. They are planted 10in apart so the total number of gaps between lilies is $350\div10=35$. The total number of daylilies is found by adding one to this value: 35+1=36.
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