SOLUTION: A farmer uses two gallons of insecticide concentrate to spray each 1/2 acre of his land. How many gallons of the concentrate will he need to spray 10 1/2 acres? I would like to

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Question 744741: A farmer uses two gallons of insecticide concentrate to spray each 1/2 acre of his land. How many gallons of the concentrate will he need to spray 10 1/2 acres?
I would like to know the steps to take when solving this problem.



Thank you,
Ty
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Proportion. Compare 2 gallons concentrate and 1/2 acre to unknown gallons concentrate and 10 1/2 acres.

2:1/2::u:10&1/2

%282%29%2F%281%2F2%29=%28u%29%2F%2810%261%2F2%29
Find u.