PSLE Harry, Tim and Gabriel had 240 stickers altogether. Harry gave
110 of his stickers to Tim and
25 of his stickers to Gabriel. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Tim and Gabriel at first?
|
Harry |
Tim |
Gabriel |
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 Harry, Tim and Gabriel in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Harry had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 240
1 u = 240 ÷ 15 = 16
Difference in the number of stickers between Tim and Gabriel at first
= 4 u - 1 u
= 3 u
= 3 x 16
= 48
Answer(s): 48