Bryan and Adam have 200 stickers.
If Bryan gives Adam 80 stickers, they will have equal number of stickers.
- How many stickers does Bryan have?
- How many stickers does Adam have?
|
Bryan |
Adam |
Before |
1 u + 80 |
1 u - 80 |
Change |
- 80 |
+ 80 |
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 Bryan has
= 1 u + 80
= 100 + 80
= 180
(b)
Number of stickers that Adam has
= 1 u - 80
= 100 - 80
= 20
Answer(s): (a) 180; (b) 20