The perimeter of a rectangular writing pad is 44cm. The width is 4 cm less than the length.
P = 2L + 2W
44 = 2L + 2(L-4)
44 = 4L - 8
44-8 = 4L
36 = 4L
36/4 = L
? = L
? = W
44 = 2L + 2(L-4)
44 = 4L - 8
44-8 = 4L
36 = 4L
36/4 = L
? = L
? = W