A scale drawing shows a room to be 3 inches by 4-1/2 inches. carpet, which is $15 per square yard, is to be installed in the room. if the scale is 1 inch to 4 feet, how much would it cost to install the carpet?

Question

10-04-2018
Mathematics

contestada

A scale drawing shows a room to be 3 inches by 4-1/2 inches. carpet, which is $15 per square yard, is to be installed in the room. if the scale is 1 inch to 4 feet, how much would it cost to install the carpet?

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Аноним Аноним · Answer 1 · 2018-04-10T10:25:07+02:00

Scale = 1 inch : 4 feet

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Find actual width :
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Width = 3 inches
Actual Width = 3 x 4 = 12 feet

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Find actual length :
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Length = 4 1/2 inches
Actual Length = 4 1/2 x 4 = 18 feet

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Find Area :
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Area = 12 x 18 = 216 ft²

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Find Cost :
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1ft² = $15
216 ft² = 15 x 216 = $3240

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The carpet will cost $3240
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