Question

At a store, 20 feet of fencing cost $36. At that rate, how much will 15 feet of fencing cost?

Answer 1

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Given information
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20 feet cost $36

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Find the cost of 1 foot by dividing by 20
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20 feet = $36
1 foot = $36 ÷ 20
1 foot = $1.8

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Find the cost of 15 feet by multiplying by 15
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1 foot = $1.80
15 feet = $1.80 x 15
15 feet = $27

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Answer: $27
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Answer 2

If 20 feet cost $36 then you can divide 36 by 20 to see how much one foot would cost. The answer is $1.80. Then multiply $1.80 x 15 feet and you get $27