At present, Ami’s age is twice Dio’s age and Cami is two years older than Ami. Two years ago, the respective ratio between Rio’s age at that time and Cami’s age at that time was 4 : 9. What will be Ami’s age four years hence ?

At present, Ami’s age is twice Dio’s age and Cami is two years old

1.	At present, Ami’s age is twice Dio’s age and Cami is two years older than Ami. Two years ago, the respective ratio between Rio’s age at that time and Cami’s age at that time was 4 : 9. What will be Ami’s age four years hence ?
A.	40 years
B.	30 years
C.	42 years
D.	36 years
Answer» B. 30 years