The formula P = 2l + 2w give the Perimeter (P) of a rectangle with length (l) and width (w). The perimeter is 24 inches. The length is 3 inches. What is the width?
Draw a picture (if possible below- if not, in your Math Notebook). Write an equation below and solve. Write 3-4 sentences explaining how you solved.

Question

The formula P = 2l + 2w give the Perimeter (P) of a rectangle with length (l) and width (w). The perimeter is 24 inches. The length is 3 inches. What is the width?
Draw a picture (if possible below- if not, in your Math Notebook). Write an equation below and solve. Write 3-4 sentences explaining how you solved.

igreen · Answer

P = 2L + 2W

Plug in what we know:

24 = 2(3) + 2W

Simplify:

24 = 6 + 2W

Subtract 6 to both sides:

18 = 2W

Divide 2 to both sides:

W = 9