Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Test - Page 406: 27


a) A = 9904 square feet b) Vivian needs to purchase 198.08 ounces.

Work Step by Step

a) To find the area, multiply length times width. length = 123.8 ft width =80 ft A = l x w A = 123.8 ft $\times$ 80 ft A = 9904 square feet b) To find out how much insecticide she needs to purchase, remember that the area of the lawn is 9904 square feet. We know that she needs 0.02 ounces per square foot. Therefore, multiply 0.02 times 9904 9904 square feet $\times$ 0.02 ounces = 198.08 ounces
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