PSLE Bobby, Simon and Asher had 285 stickers altogether. Bobby gave
110 of his stickers to Simon and
25 of his stickers to Asher. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Simon and Asher at first?
|
Bobby |
Simon |
Asher |
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 Bobby, Simon and Asher in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Bobby had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 285
1 u = 285 ÷ 15 = 19
Difference in the number of stickers between Simon and Asher at first
= 4 u - 1 u
= 3 u
= 3 x 19
= 57
Answer(s): 57