If a rectangle has a perimeter of 70 meters and a length of 17 meters, what is its width?

Question

P=2l+2w
Whats the next step?

Answer 1

next step: plug in what you know

70 = 2(17) + 2w

Now just solve for w.

Answer 2

P=2l+2w

70 = 2(17) + 2w
70 = 34 +2w
70-34 = 34-34 +2w
36 = 2w
w = 18