# Geometry

concrete costs 105 per cubic yard. plato is making a rectangular concrete garage floor measuring 33 feet wide by 6 inches thick. how much will the concrete cost?

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1. You are missing one of the dimensions of the floor, its length
Once you have that,
Cost = 105 ( 33 * 1/2 * ??)/27 units of money

where ?? in your length
we divide by 27 since there are 27 cubic feet in 1 cubic yard

If the concrete is sold in whole cubic yards, you will have to round your answer upwards to the next whole number
e.g. 34.1 cubic yards ----> 35 cubic yards

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