Sophia is 12. Four times that is 48. If her mother is 5 years less than this, she is 43.
(12 x 4) - 5 = 43
We want to find

, where

is a binomial distribution with

and

. So
root 30 ..................
Answer:
3:2:25
Step-by-step explanation:
ratio=
12:8:100
6:4:50
3:2:25