What will it cost to carpet a rectangular floor measuring 21 feet by 12 feet if the carpet costs $29.56 per square yard?
1 answer:
change the units to yards
21/3 = 7 yds
12/3 = 4 yds
A= 7*4 = 28 yds
cost = 29.56 * 28 = 827.68
the total cost is $827.68
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