Question

5-D rocess The perimeter of a rectangle is 60 meters. The length of the rectangle is 3 more than twice the width. What is the length and width of the rectangle?

Answer 1

Width:
`9` Length:
`21.`

Explanation:

Let's say
`l` is the length, and
`w` is the width. We can rewrite
`l` as
`2w + 3.` So
`2(2w + 3) + 2w = 60,\\4w + 6 + 2w = 60,\\6w + 6 = 60,\\6w = 54,\\w = 9.\\`So the length of the rectangle is
`2 \cdot 9 + 3 = 21` and the width is
`9.`

Hope that helps!