Adam and Bryan have 400 stickers.
If Adam gives Bryan 30 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 + 30 |
1 u - 30 |
Change |
- 30 |
+ 30 |
After |
1 u |
1 u |
(a)
Total number of stickers
= 1 u + 1 u
= 2 u
2 u = 400
1 u = 400 ÷ 2 = 200
Number of stickers that Adam has
= 1 u + 30
= 200 + 30
= 230
(b)
Number of stickers that Bryan has
= 1 u - 30
= 200 - 30
= 170
Answer(s): (a) 230; (b) 170