Q:

9, Jennifer is now 3 years older than Peter. If, in 12 years, the sum of their ages will be 61, howold is Jennifer now?

Accepted Solution

A:
Answer:Jennifer age = 20.Step-by-step explanation:Given : Jennifer is now 3 years older than Peter. If, in 12 years, the sum of their ages will be 61.To find :  how  old is Jennifer now.Solution : We have given Let the age of Peter  = x .According to question Jennifer is now 3 years older than Peter.Jennifer age =  x + 3After 12 yearPeter age = x + 12 Jennifer age = x + 15Sum of their age would be  61.x +12 + x +15 =  61.2x + 27 = 61 .2x = 61 - 27.2x= 34.On dividing both sides by 2x = 17Peter age = 17.Jennifer age = 20.Therefore, Jennifer age = 20.