Bryan is 10 times as old as Adam now.
In 19 years time, their total age is 60 years.
How old is Bryan now?
- How old is Adam now?
- How many years is Adam younger than Bryan?
- How old was Bryan 2 years ago?
|
Bryan |
Adam |
Total |
Now |
10 u |
1 u |
11 u |
Change |
+ 19 |
+ 19 |
+ 38 |
19 years later |
10 u + 19 |
1 u + 19 |
60 |
(a)
Total age of Bryan and Adam now
= 60 - 38
= 22
Now
Bryan's age = 10 u
Adam's age = 1 u
Total age of Bryan and Adam = 11 u
11 u = 22
1 u = 22 ÷ 11 = 2
Adam's age now
= 1 u
= 2
(b)
Number of years that Adam is younger than Bryan
= 10 u - 1 u
= 9 u
= 9 x 2
= 18
(c)
Bryan's age 2 years' ago
= 10 u - 2
= 10 x 2 - 2
= 20 - 2
= 18
Answer(s): (a) 2; (b) 18; (c) 18