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The cost to tile a floor that measures 7 x 6 square feet is $ 2,100. How much will tile a floor measuring 11 x 13 square feet cost?

Correct answer:

p2 =  7150 USD

Step-by-step explanation:

S1=7 6=42 ft2 p1=2100 USD  S2=11 13=143 ft2  c = p1/S1 = p2/S2  p1 S2 = p2 S1  p2=p1 S1S2=2100 42143=422100 143=42300300=7150 USD

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