Question 179485
Year 1


Joan  age: 1 yr
Grandfather age: 61 yrs



Year 2:

Joan age: 2 yr
Grandfather age: 62 yrs


Year 3:

Joan age: 3 yr
Grandfather age: 63 yrs


Year 4:

Joan age: 4 yr
Grandfather age: 64 yrs



Year 5:

Joan age: 5 yr
Grandfather age: 65 yrs