Stem Leaf

Question

2 | 8
3 | 124
4 | 279
5 | 4
Key: 2|8=28 years

Answer 1

3|124=31 years, 32 years, 34 years
4|279= 42 years, 47 years, 49 years
5|4=54 years

Answer 2

that is wrong

Answer 3

Apologies for the mistake. Let me correct it:

3|124 = 31 years, 32 years, 34 years
4|279 = 42 years, 47 years, 49 years
5|4 = 54 years