PSLE Tom, Fabian and Charlie had 468 stickers altogether. Tom gave
320 of his stickers to Fabian and
14 of his stickers to Charlie. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Fabian and Charlie at first?
|
Tom |
Fabian |
Charlie |
Total |
Before |
20 u |
9 u |
7 u |
36 u |
Change 1 |
- 3 u |
+ 3 u |
|
|
Change 2 |
- 5 u |
|
+ 5 u |
|
After |
12 u |
12 u |
12 u |
36 u |
Comparing between Tom, Fabian and Charlie in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Tom had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 468
1 u = 468 ÷ 36 = 13
Difference in the number of stickers between Fabian and Charlie at first
= 9 u - 7 u
= 2 u
= 2 x 13
= 26
Answer(s): 26