Asked by Nadine
The length of a rectangle is 1 inch greater than its width. If the dimensions are doubled, its area increases by 36 square inched. Which equation could be used to find its dimensions?
Answers
Answered by
PsyDAG
L = W + 1
Since area = L * W
2L(2W) - LW = 36
Substitute W + 1 for L in second equation to find L. Put that value in the first equation to find W. Check by putting both values into the second equation.
Since area = L * W
2L(2W) - LW = 36
Substitute W + 1 for L in second equation to find L. Put that value in the first equation to find W. Check by putting both values into the second equation.
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