## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 1 - Section 1.1 - Review of Basic Operations - Exercise: 56

80lb

#### Work Step by Step

10 Gallons contain 2lb of Pesticide First, obtain the amount of pesticides in a single gallon by dividing both values by ten. 1 Gallon will contain $2\div10=0.2$lb Pesticide You can now obtain total amount of pesticide powder in 400 Gallons by multiplying both values by 400 400 Gallons will thus contain $0.2\times400=80$lb

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