SOLUTION: The area of rectengle is144 square meter if we increase 5 m in length then the area of rectangle is increase 40square meters then find new length of rectengle.

Algebra ->  Rectangles -> SOLUTION: The area of rectengle is144 square meter if we increase 5 m in length then the area of rectangle is increase 40square meters then find new length of rectengle.      Log On


   

Question 1071787: The area of rectengle is144 square meter if we increase 5 m in length then the area of rectangle is increase 40square meters then find new length of rectengle.
Answer by josgarithmetic(39799) About Me  (Show Source):
You can put this solution on YOUR website!
system%28wL=144%2C%28L%2B5%29w=wL%2B40%29

wL%2B5w=wL%2B40
5w=40
w=8

-
L=144%2Fw
L=144%2F8
L=18


New length, L%2B5=18%2B5=highlight%2823%29