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2 years ago

13

Kevin plans to put concrete on a rectangular portion of his driveway. The portion is 10 feet long and 3 inches high. The price o

f concrete is $98 per cubic yard. The total cost of the concrete Kevin needs is $72.59. Which of the following is closest to the width of the portion of the driveway on which Kevin plans to put concrete?

2 answers:

Elis [28]2 years ago

3 0

We are given the dimensions 10 feet length and 3 inches height. The volume of the rectangular portion is equal to $72.59 / $98 per cubic yard that is equal to 0.74 cubic yard. This is equal to 19.98 cubic feet. This means the width of the portion is equal to 8 feet.

neonofarm [45]2 years ago

3 0

1 cubic yard = 27 cubic feet

$72.59 / $98 per cubic yard = 0.74 cubic yard

27*0.74 = 19.98 cubic feet

3 inches = 0.25 feet

10*0.25 = 2.5

19.98/2.5 = 7.992 = 8 feet wide

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