About 240 feet
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Area = Length * Width Make both X X = width X + 2 = Length X(X+2) = 80 X^2 + 2X = 80 X^2 + 2X -80 = 0 Easy factoring (X-8)(X+10) no negative lengths or widths, so Length = 10 yards Width = 8 yards
A rectangular prism with a length of 8 yards, width of 2 yards and height of 5 yards has a volume of 80 cubic yards.
The width is 7 yards. Area = length x width 56 = 8 x ? 56 = 8 x 7
12 yards
There are an infinite number of solutions. Assuming that length is at least as great as the width, the length can take any value greater or equal to 1 yard. If the length is x yards, then the width is 1/x yards. For example, 50 yards * 1/50 yards or 1050 yards * 10-50 yards are possible solutions.