math

carpenter is trying to determine how many squares of shingles will be needed for a roofing job. Both sides of the gable roof are the same size, and one side of the roof measures 15′ × 30′. How many squares of shingles would be needed to cover both sides of this roof?

A. 7
***B. 9
C. 6
D. 8

I think the answer is B.9. Would you agree?

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  1. How big are the squares of shingles?

    Even without that information, I would disagree. 9 would mean that there are 4 shingles on one side and 5 on the other.

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  2. The squares are 100 sq ft.

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