Sam is 26 this year. He is twice as old as Bob was when he was 13, 21 years ago. s + b = 60
s - b = -8 add the two equations
2s = 52
s = 26
b = 34
Sum = 60
28
John will be 17 years old. Their ages will always be 3 years apart. And 20-3 = 17.
It is 50 years.
7
35
11 and 12
beth is 5 years old.
"Younger than you" is correct. This is the standard way to construct comparative phrases when comparing ages.
It will be better if you ask this question to Sachin...
He is 29 & she is 21
Answer: 30 (Dad) & 6 (Son) 2 years later they will be 32 & 8 which equals 40.
There ages are now 5 and 9 respectively because and in 3 years time 2/3 of 12 = 8