P = 2L + 2W
17,400 = 2(W + 3700) + 2W
17,400 = 4W + 7400
10,000 = 4W
2,500 = W
The length of a rectangular landing strip exceeds its width by 3,700 feet. If its perimeter is 17,400 feet, what is the length, in feet, of the airfield?
A. 2500
B. 5000
C. 6200
D. 10000
E. 13700
1 answer