The length of a rectangle is four times the width. If the width is represented by x​, then build a variable expression that describes the length?

1 Answer
Feb 11, 2018

The variable expression that describes the length #l# will be:
#l = 4x#

Explanation:

Given: The length of a rectangle is four times the width.

The width is represented by #x​#.

Let the length be represented by #l#.

Then the variable expression that describes the length #l# will be:

#l = 4xxx#

Or

#l = 4x#