SOLUTION: 6. A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio that will be 4 inches thick. If the length of the patio is specified to be twic

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: 6. A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio that will be 4 inches thick. If the length of the patio is specified to be twic      Log On

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Question 1118754: 6. A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio that will be 4 inches thick. If the length of the patio is specified to be twice the width, what are the patio dimensions? (1 cubic yard = 27 cubic feet)
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
8%2A27=216 cubic feet of cement

4inches=%281%2F3%29feet thickness of the patio

The other two patio dimensions are:
2w, length
w, width

EQUATION: 2w%2Aw%2A%281%2F3%29=216 or more simply %281%2F3%292w%5E2=216.
Finding width and length will follow from that...