Question

the average age of three boys is 15 years if their ages are in ratio 3:5:7 the age of the youngest boy is ?

Answer 1

I hope it helped u
You can follow me

Answer 2

Answer:

Step-by-step explanation:

Let age =x

So, 3x, 5x 7x are ages of three boys

Avg. Of ages =.3x+5x+7x/3 = 15

15x/3= 15

X= 3

Hence

3x = 3*3 =9years