Question

Given the formula for the perimeter of a rectangle, p = 21 + 2w, which answer would you get if

you solve for l?
C)
2.
P – 21
2w
P – 2w
2

Answer 1

P = 2L + 2W

2L + 2W = P

2L = P - 2W

L = (P - 2W)/2 is the answer