Asked by ALISON15


Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s).
The length of a rectangle is 3 times the width. The difference between the length and the width is 8 feet. Determine the rectangle’s length
Answered by Reiny
let the width be x
then the length is 3x

3x - x = 8
2x = 8
x = 4

width is 4 ft
length is 12 ft