Homework Help: math

Posted by Tyler on Wednesday, January 23, 2008 at 6:57am.

How much would it cost to pour a concrete slab for a patio 14 feet by 16 feet and 6" thick if cost is $80 per cubic yard.

I know 27cubic feet equals 1 cubic yard, so do I take 14*16 *27 or??

math - drwls, Wednesday, January 23, 2008 at 7:11am
You can calaculate the number of cubic feet, (1/2)*14*16 = 112, and then divide the result by 27 ft^3/yard^3 to get the number of cubic yards.

Then multiply the number of cubic yards by $80.

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