PSLE Perry, Archie and Fabian had 468 stickers altogether. Perry gave
320 of his stickers to Archie and
14 of his stickers to Fabian. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Archie and Fabian at first?
|
Perry |
Archie |
Fabian |
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 Perry, Archie and Fabian in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Perry 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 Archie and Fabian at first
= 9 u - 7 u
= 2 u
= 2 x 13
= 26
Answer(s): 26