begining algebra
posted by D .
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

side 1= 3x
side 2= x
side 3= x+7
3x + x + x+7 = 62
5x = 55
x=11
side 1= 3(11) = 33
side 2= (11) = 11
side 3= (11)+7 = 18