The ratio of Ryan's age to Flynn's age is 7 : 3. Last year, their average age was 14. How old will Flynn be in 2 years' time?
| |
Ryan |
Flynn |
Total |
| Before |
7 u - 1 |
3 u - 1 |
28 |
| Change |
+ 1 |
+ 1 |
|
| After |
7 u |
3 u |
30 |
Total age of Ryan and Flynn this year
= 7 u + 3 u
= 10 u
Total age of Ryan and Flynn this year
= 2 x 14 + 1 + 1
= 28 + 2
= 30
10 u = 30
1 u = 30 ÷ 10 = 3
Flynn's age in 2 years' time
= 3 u + 2
= 3 x 3 + 2
= 9 + 2
= 11
Answer(s): 11
