Question

You are leasing a space that is 40 ft wide x 30 ft long x 10 ft high. The real estate agent estimates that your heating costs will be $0.50 per cubic foot of space per year. What will your heating costs be for the year

Answer 1

Volume = 40 x 30 x 10 = 12000 ft³

1 ft³ = $0.50
12000 ft³ = $0.50 x 12000 = $6000

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Answer: It will cost $6000 per year.
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Answer 2

The space that you are leasing would be 12,000 square feet. So, it would cost you $6000 per year.