Question

the sides of a triangle are 4x cm 5x+3cm and 7x-1cm. If the perimeter of the triangle is 130cm, What is the lenght of the shortest side of triangle?

Answer 1

ok, let´s see the answer

the sides are:

4x
5x+3
7x-1

we have the perimeter, then:

4x + 5x + 3 + 7x - 1 = 130
16x = 130 -  2
16x = 128
x = 128/16
x = 8 cm

also:
1° lado = 4*8 = 32cm
2° lado = 5*8+3 = 43
3° lado = 7*8-1 = 55

so, the shortest side will be : 32cm


This is the answer