The ratio of Owen's age to Ryan's age is 6 : 5. Next year, their average age will be 23. How old will Owen be in 4 years' time?
| |
Owen |
Ryan |
Total |
| Before |
6 u |
5 u |
44 |
| Change |
+ 1 |
+ 1 |
|
| After |
6 u + 1 |
5 u + 1 |
46 |
Total age of Owen and Ryan this year
= 6 u + 5 u
= 11 u
Total age of Owen and Ryan this year
= 2 x 23 - 1 - 1
= 46 - 2
= 44
11 u = 44
1 u = 44 ÷ 11 = 4
Owen's age in 4 years' time
= 6 u + 4
= 6 x 4 + 4
= 24 + 4
= 28
Answer(s): 28
