A 120-foot-long rope is cut into 3 pieces. The first piece of rope is twice as long as the second piece of rope. The third piece of rope is three times as long as the second piece of rope. What is the length of the longest piece of rope?
The lengths of the sides of a triangle are y,y+1, and 7 centimeters. If the perimeter is 56 centimeters, what is the value of Y?
Members of a senior class held a car wash to raise funds for their senior prom. They charged $3.00 to wash a car and $5.00 to wash a pick-up truck or a sport utility vehicle. If they earned a total of $275.00 by washing a total of 75 vehicles, how many cars did they wash?