SOLUTION: A general contractor is constructing a building that requires a concrete foundation that is to be 20 feet by 12 feet and 4 inches thick. How many cubic yards of concrete do yo

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Question 950384: A general contractor is constructing a building that requires a concrete foundation that is to be 20 feet by 12 feet and 4 inches thick.
How many cubic yards of concrete do you need?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
20/3 * 12/3 * 4/36
= 20/3 * 4 * 1/9
=80/27 yds^3
.
Ed