PSLE Michael, Daniel and Jenson had 135 stickers altogether. Michael gave
320 of his stickers to Daniel and
25 of his stickers to Jenson. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Daniel and Jenson at first?
|
Michael |
Daniel |
Jenson |
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 Michael, Daniel and Jenson in the end |
1x9 = 9 u |
1x9 = 9 u |
1x9 = 9 u |
3x9 = 27 u |
Fraction of stickers that Michael had left
= 1 -
320 -
25 = 1 -
320 -
820 =
920 Total number of stickers
= 3 x 9 u
= 27 u
27 u = 135
1 u = 135 ÷ 27 = 5
Difference in the number of stickers between Daniel and Jenson at first
= 6 u - 1 u
= 5 u
= 5 x 5
= 25
Answer(s): 25