PSLE Owen, Wesley and Oliver had 459 stickers altogether. Owen gave
320 of his stickers to Wesley and
25 of his stickers to Oliver. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Wesley and Oliver at first?
|
Owen |
Wesley |
Oliver |
Total |
Before |
20 u |
6 u |
1 u |
27 u |
Change 1 |
- 3 u |
+ 3 u |
|
|
Change 2 |
- 8 u |
|
+ 8 u |
|
After |
9 u |
9 u |
9 u |
27 u |
Comparing between Owen, Wesley and Oliver in the end |
1x9 = 9 u |
1x9 = 9 u |
1x9 = 9 u |
3x9 = 27 u |
Fraction of stickers that Owen had left
= 1 -
320 -
25 = 1 -
320 -
820 =
920 Total number of stickers
= 3 x 9 u
= 27 u
27 u = 459
1 u = 459 ÷ 27 = 17
Difference in the number of stickers between Wesley and Oliver at first
= 6 u - 1 u
= 5 u
= 5 x 17
= 85
Answer(s): 85