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#38579

area

word problems

hard

90 sec

A box of flooring tiles covers $15$ square feet. A rectangular room is $12$ feet long and $10$ feet wide. If a homeowner wants to purchase $10%$ more tiles than exactly needed to cover the room, which expression represents the total number of boxes of tiles $N$ the homeowner should purchase?

A.

$N = \frac{12 \times 10}{15} \times 1.10$

B.

$N = \frac{12 \times 10 \times 0.10}{15}$

C.

$N = \frac{15}{12 \times 10} \times 1.10$

D.

$N = \frac{12 \times 10}{15} + 0.10$