SOLUTION: Geometry Dave and Jane Wells have a new rectangular drive way. The perimeter of the driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dime

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Geometry Dave and Jane Wells have a new rectangular drive way. The perimeter of the driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dime      Log On


   

Question 365950: Geometry Dave and Jane Wells have a new rectangular drive way. The perimeter of the driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dimensions of the driveway?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let width be x
length = 3x+12
2*(x+3x+12)=168
2*(4x+12)=168
/2
4x+12=84
-12
4x=84-12
4x=72
/4
x=18 feet ....the width
length = 3*18+12
=66 feet
...
m.ananth@hotmail.ca