The sides of a triangle are 8, 12, and 15. The longest side of a similar triangle is 18. What is the ratio of the perimeter of the smaller triangle to the perimeter of the larger triangle?

1

2:3

2

4.9

3

5:6

4

25.36

Step-by-step explanation:

Given

Smaller

Bigger

Required

The ratio of the perimeter of smaller to larger

The ratio of the perimeter is the same as the ratio of the side lengths.

Considering the largest, sides:

We have:

Divide by 3

26

step-by-step explanation:

thats not a system of equations, that is a solution