SOLUTION: 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?

Algebra ->  Points-lines-and-rays -> SOLUTION: 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?      Log On


   

Question 512395: 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?
Answer by Sarah900(12) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter= total of all the side lengths
y+(y+1)+7=56
2y+8=56
2y=48
y=24