a rectangle has a width of one less than the length . if the perimeter is 30 units , what is the length and width ?
2 answers
I am having problems starting of the equation . I understand how to do it but have a hard time setting it up correctly.
P = 2L + 2W
P = 2L + 2(L - 1)
30 = 4L - 2
32 = 4L
8 = L
P = 2L + 2(L - 1)
30 = 4L - 2
32 = 4L
8 = L