Simon is 11 years older than Sean. 8 years ago, the sum of their age was 67. How old is Simon now?
| |
Simon |
Sean |
Difference |
Total |
| Before |
1 u + 11 |
1 u |
11 |
67 |
| Change |
+ 8 |
+ 8 |
|
+ 16 |
| After |
1 u + 19 |
1 u + 8 |
11 |
2 u + 27 |
The difference in the age between Simon and Sean remains unchanged.
Sean's current age = 1 u
Simon's current age = 1 u + 11
Combined age of Simon and Johny 8 years ago
= 1 u + 1 u + 11
= 2 u + 11
2 u + 11 = 67
2 u = 67 - 11
2 u = 56
1 u = 56 ÷ 2 = 28
Simon's current age
= 1 u + 19
= 28 + 19
= 47
Answer(s): 47
