Question

A rectangular lot has a perimeter of 80 meters and a length of 25 meters. Find the

width of the lot.
Fence->
25m
Meters
W

Answer 1

15m

Explanation:

Let w be the width, l the length and p the perimeter.

We know, by definition, that p = 2w + 2l. We also know that p = 80m and l = 25m.

So we can re-write the perimeter formula as:

80 = 2w + 50

2w = 30

w = 15m

So we now know that the width is 15m.