Asked by joshua

a rectangle has a width of one less than the length . if the perimeter is 30 units , what is the length and width ?
Answered by joshua
I am having problems starting of the equation . I understand how to do it but have a hard time setting it up correctly.
Answered by Ms. Sue
P = 2L + 2W

P = 2L + 2(L - 1)

30 = 4L - 2

32 = 4L

8 = L


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