Question

Asked Oct 15, 2019

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It takes 20 cubic feet of concrete make a 80 square foot patio. How many cubic yards of concrete does it take to make a 80 square yard patio? The thickness of the slab of concrete will be the same in both cases.

Step 1

Given,

20 cubic feet of concrete make 80 square foot patio.

Step 2

20 cubic feet = 80 square foot

1 cubic feet = 4 square foot

Step 3

Since,

1 yard = 3 foot

1 square yard = 9 square foo...

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