Problema Solution

A triangle has a perimeter of 53in. The shortest side of the triangle is two more than one-third of the longest side. The other is 5 less than the longest side. Find the dimensions.

Answer provided by our tutors

Let longest side = x

Smallest side = 2 + (x/3)

other side = (x-5)

Perimeter => x + 2 + (x/3) + (x - 5)   = 53

              = >2x - 3 + x/3                  = 53

              =>(7x/3) - 3                      = 53

              => 7x/3                             = 53 + 3 = 56

              => 7x                                = 56 * 3 = 168

              => x = 168/7 = 24

Longest side = 24

smallest side = 2+ (24/3)=10

other side = 24-5 = 19