PSLE Paul, Brandon and Wesley had 180 stickers altogether. Paul gave
110 of his stickers to Brandon and
25 of his stickers to Wesley. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Brandon and Wesley at first?
|
Paul |
Brandon |
Wesley |
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 Paul, Brandon and Wesley in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Paul had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 180
1 u = 180 ÷ 15 = 12
Difference in the number of stickers between Brandon and Wesley at first
= 4 u - 1 u
= 3 u
= 3 x 12
= 36
Answer(s): 36