SOLUTION: The length of rectangle is 5m greater than the width. The perimeter is 150m more then twice the width. Find the width and length of the rectangle. Please explain and show how to do

Algebra ->  Test -> SOLUTION: The length of rectangle is 5m greater than the width. The perimeter is 150m more then twice the width. Find the width and length of the rectangle. Please explain and show how to do      Log On


   



Question 348265: The length of rectangle is 5m greater than the width. The perimeter is 150m more then twice the width. Find the width and length of the rectangle. Please explain and show how to do it thanks:)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=W+5
P=2W+150
P=2W+2L
2L=150 REPL;ACE L WITH (W+5) & SOLVE FOR W.
2(W+5)=150
2W+10=150
2W=150-10
2W=140
W=140/2
W=70 ANS. FOR THE WIDTH.
L=70+5=75 ANS FOR THE LENGTH.
P=2*70+2*75
P=140+150
P=290 ANS. FOR THE PERIMETER.