PSLE Archie, Zeph and Flynn had 135 stickers altogether. Archie gave
110 of his stickers to Zeph and
25 of his stickers to Flynn. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Zeph and Flynn at first?
|
Archie |
Zeph |
Flynn |
Total |
Before |
10 u |
4 u |
1 u |
15 u |
Change 1 |
- 1 u |
+ 1 u |
|
|
Change 2 |
- 4 u |
|
+ 4 u |
|
After |
5 u |
5 u |
5 u |
15 u |
Comparing between Archie, Zeph and Flynn in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Archie had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 135
1 u = 135 ÷ 15 = 9
Difference in the number of stickers between Zeph and Flynn at first
= 4 u - 1 u
= 3 u
= 3 x 9
= 27
Answer(s): 27