SOLUTION: The length and width of a rectangular sheet of plywood is 4 ft. by 8 ft, how much must be added equally to the length and width to double the area? (Answer to the nearest tenth of
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Question 825847: The length and width of a rectangular sheet of plywood is 4 ft. by 8 ft, how much must be added equally to the length and width to double the area? (Answer to the nearest tenth of a foot.)
Let x = the amount added
Found 2 solutions by phoihe001, josgarithmetic:
Answer by phoihe001(34) (Show Source): You can put this solution on YOUR website!
9ft
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
original area.
Doubled area wanted is .
Increase both dimensions each by x.
'
....... Is this factorable or not? If not, use general solution to a quadratic equation.
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