Respuesta :

Answer:

6

Step-by-step explanation:

We can use ratios to solve

15 ft            18ft

---------- = -----------

5ft               x

Using cross products

15x = 5*18

15x = 90

Divide by 15

15x/15 = 90/15

x =6

Answer:

the ans is 6

Step-by-step explanation:

bcz if u divide 15 by 3 =5 and 12by 3 =4 &18 by 3 =6