Question 252596: A rectangle is three times as long as it is wide. The perimeter is 40 feet. Find the width. Found 2 solutions by JimboP1977, ankor@dixie-net.com:Answer by JimboP1977(311) (Show Source):
You can put this solution on YOUR website! A rectangle is three times as long as it is wide.
The perimeter is 40 feet.
Find the width.
:
Let x = the width
then
3x = the length
:
The perimeter
2L = 2W = 40
so we have:
2(3x) + 2x = 40
6x + 2x = 40
8x = 40
x =
x = 5 ft is the width
;
;
Check:
2(15) + 2(5) = 40