Daniel's age is
16 of his uncle's. His uncle will be 53 years old in 5 years' time. In how many years' time will Daniel's age be
35 of his uncle's?
|
Daniel |
His uncle |
Difference |
Before |
1 u |
6 u |
40 |
Change |
+ 5 |
+ 5 |
|
After |
|
53 |
|
His uncle's current age
= 53 - 5
= 48
6 u = 48
1 u = 48 ÷ 6 = 8
Daniel's current age = 8
The difference in the age between Daniel and his uncle remains the same.
Difference in the age between Daniel and his uncle
= 6 u - 1 u
= 5 u
= 5 x 8
= 40
|
Daniel |
His uncle |
Difference |
Before |
1 u |
6 u |
40 |
Change |
+ ? |
+ ? |
|
After |
3 p |
5 p |
2 p |
2 p = 40
1 p = 40 ÷ 2 = 20
Daniel's age when he will be
35 of his uncle's age
= 3 p
= 3 x 20
= 60
Number of years' time when Daniel's age will be
35 of his uncle's age
= 3 p - 1 u
= 60 - 20
= 40
Answer(s): 40