Greg has a piece of rope that is 18 ft long. He wants to cut it into two pieces so that the longer piece is 2 ft less than 3 times the length of the shorter piece. How long will each piece of rope be? Enter your answers in the boxes.
Accepted Solution
A:
x - shorter piece 3x - 2 - longer piece
x + 3x -2 = 18 x + 3x = 18 +2 4x = 20 | : 4 x=5
3*5 -2 = 15 - 2 = 13 shorter piece: 5 ft longer piece : 13 ft