Adam and Bryan have 200 stickers.
If Adam gives Bryan 90 stickers, they will have equal number of stickers.
- How many stickers does Adam have?
- How many stickers does Bryan have?
|
Adam |
Bryan |
Before |
1 u + 90 |
1 u - 90 |
Change |
- 90 |
+ 90 |
After |
1 u |
1 u |
(a)
Total number of stickers
= 1 u + 1 u
= 2 u
2 u = 200
1 u = 200 ÷ 2 = 100
Number of stickers that Adam has
= 1 u + 90
= 100 + 90
= 190
(b)
Number of stickers that Bryan has
= 1 u - 90
= 100 - 90
= 10
Answer(s): (a) 190; (b) 10