The ratio of Asher's age to Will's age is 6 : 5. Next year, their average age will be 12. How old will Asher be in 10 years' time?
| |
Asher |
Will |
Total |
| Before |
6 u |
5 u |
22 |
| Change |
+ 1 |
+ 1 |
|
| After |
6 u + 1 |
5 u + 1 |
24 |
Total age of Asher and Will this year
= 6 u + 5 u
= 11 u
Total age of Asher and Will this year
= 2 x 12 - 1 - 1
= 24 - 2
= 22
11 u = 22
1 u = 22 ÷ 11 = 2
Asher's age in 10 years' time
= 6 u + 10
= 6 x 2 + 10
= 12 + 10
= 22
Answer(s): 22
