A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece?
A
9
B
11
C
18
D
22
Correct Answer: 11
Let the larger piece is, xSo, x+x-18 = 40or,2x = 40+18or, x =58/2x = 29Then the shorter piece is 29-18 = 11