Adam, Bryan and Charlie have 216 stickers.
When Adam gives Bryan some stickers, Bryan's stickers is doubled.
When Bryan gives some stickers to Charlie, Charlie's stickers is doubled.
In the end, they have the same number of stickers each.
- How many does each child have in the end?
- How many stickers does Charlie have at first?
- How many stickers does Bryan have at first?
- How many stickers does Adam have at first?
|
Adam |
Bryan |
Charlie |
Before |
126 |
54 |
36 |
Change 1 |
- 54 |
+ 54 |
|
After 1 |
|
108 |
|
Change 2 |
|
- 36 |
+ 36 |
After 2 |
72 |
72 |
72 |
(a)
Number of stickers that each has in the end
= 216 ÷ 3
= 72
(b)
Number of stickers that Charlie has at first
= 72 ÷ 2
= 36
(c)
Number of stickers that Bryan has before giving to Charlie
= 72 + 36
= 108
Number of stickers that Bryan has at first
= 108 ÷ 2
= 54
(d)
Number of stickers that Adam has at first
= 72 + 54
= 126
Answer(s): (a) 72; (b) 36; (c) 54; (d) 126