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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 wou…
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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 wou…
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Feb 13, 2019
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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?
Mathematics
high-school
Bartosz Zasada
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Scale = 1 inch : 4 feet
------------------------------------------
Find actual width :
------------------------------------------
Width = 3 inches
Actual Width = 3 x 4 = 12 feet
------------------------------------------
Find actual length :
------------------------------------------
Length = 4 1/2 inches
Actual Length = 4 1/2 x 4 = 18 feet
------------------------------------------
Find Area :
------------------------------------------
Area = 12 x 18 = 216 ft²
------------------------------------------
Find Cost :
------------------------------------------
1ft² = $15
216 ft² = 15 x 216 = $3240
------------------------------------------
The carpet will cost $3240
------------------------------------------
Siukurnin
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Feb 17, 2019
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Siukurnin
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