PSLE Daniel, Julian and Tim had 270 stickers altogether. Daniel gave
110 of his stickers to Julian and
25 of his stickers to Tim. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Julian and Tim at first?
|
Daniel |
Julian |
Tim |
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 Daniel, Julian and Tim in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Daniel had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 270
1 u = 270 ÷ 15 = 18
Difference in the number of stickers between Julian and Tim at first
= 4 u - 1 u
= 3 u
= 3 x 18
= 54
Answer(s): 54