# The width of a rectangular box is 20% of the length. If the perimeter is 192 cm, then what are the length and width of the box?

##### 1 Answer

Jul 6, 2017

length

#### Explanation:

Let the width be

Let the length be

Let perimeter be

Drop the units of measurement for now

Then

but

Factor out

but

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

check

width =