SOLUTION: The length of a rectangular landing strip exceeds its with by 3,700 feet. If its perimeter is 17,400 feet, what is the length, in feet, of the airfield? (a) 2,500 (b) 5,000 (c)

Algebra ->  Rectangles -> SOLUTION: The length of a rectangular landing strip exceeds its with by 3,700 feet. If its perimeter is 17,400 feet, what is the length, in feet, of the airfield? (a) 2,500 (b) 5,000 (c)       Log On


   

Question 340828: The length of a rectangular landing strip exceeds its with by 3,700 feet. If its perimeter is 17,400 feet, what is the length, in feet, of the airfield?
(a) 2,500 (b) 5,000 (c) 6,200 (d) 10,000 (e) 13,700

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let width be x feet
length = x+3700
..
Perimeter P = 2(L+W)
17400= 2*(x+x+3700)
17400/2 = 2x+3700
8700=2x+3700
8700-3700=2x
5000 = 2x
x= 5000/2
x= 2500 feet
length will be x+ 3700
Length = 2500 + 3700=6200 feet