Bryan and Adam have 500 stickers.
If Bryan gives Adam 30 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 + 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 = 500
1 u = 500 ÷ 2 = 250
Number of stickers that Bryan has
= 1 u + 30
= 250 + 30
= 280
(b)
Number of stickers that Adam has
= 1 u - 30
= 250 - 30
= 220
Answer(s): (a) 280; (b) 220