Bryan is 2 times as old as Adam now.
In 11 years time, their total age is 70 years.
How old is Bryan now?
- How old is Adam now?
- How many years is Adam younger than Bryan?
- How old was Bryan 14 years ago?
|
Bryan |
Adam |
Total |
Now |
2 u |
1 u |
3 u |
Change |
+ 11 |
+ 11 |
+ 22 |
11 years later |
2 u + 11 |
1 u + 11 |
70 |
(a)
Total age of Bryan and Adam now
= 70 - 22
= 48
Now
Bryan's age = 2 u
Adam's age = 1 u
Total age of Bryan and Adam = 3 u
3 u = 48
1 u = 48 ÷ 3 = 16
Adam's age now
= 1 u
= 16
(b)
Number of years that Adam is younger than Bryan
= 2 u - 1 u
= 1 u
= 1 x 16
= 16
(c)
Bryan's age 14 years' ago
= 2 u - 14
= 2 x 16 - 14
= 32 - 14
= 18
Answer(s): (a) 16; (b) 16; (c) 18