Adam and Bryan have 480 stickers.
After Adam gives Bryan 48 stickers,
Adam has 100 more stickers than Bryan.
- How many stickers does Adam have at first?
- How many stickers does Bryan have in the end?
|
Adam |
Bryan |
Before |
1 u + 148 |
1 u - 48 |
Change |
- 48 |
+ 48 |
After |
1 u + 100 |
1 u |
(a)
Total number of stickers
= 1 u + 1 u + 100
= 2 u + 100
2 u + 100 = 480
2 u = 480 - 100
2 u = 380
1 u = 380 ÷ 2 = 190
Number of stickers that Adam has at first
= 1 u + 148
= 190 + 148
= 338
(b)
Number of stickers that Bryan has in the end
= 1 u
= 190
Answer(s): (a) 338; (b) 190