Answer:
She will be 12
Step-by-step explanation:
12
Step-by-step explanation: I agree with the first person, What I did was add 5 years and 3 years together and got 8 years and used it as a fraction 8/1 and multiplied it with 3/2 and got 24/2 and I divided that to get 12
24 divided by 2= 12
