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