PSLE George, Valen and Simon had 216 stickers altogether. George gave
320 of his stickers to Valen and
25 of his stickers to Simon. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Valen and Simon at first?
|
George |
Valen |
Simon |
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 George, Valen and Simon in the end |
1x9 = 9 u |
1x9 = 9 u |
1x9 = 9 u |
3x9 = 27 u |
Fraction of stickers that George had left
= 1 -
320 -
25 = 1 -
320 -
820 =
920 Total number of stickers
= 3 x 9 u
= 27 u
27 u = 216
1 u = 216 ÷ 27 = 8
Difference in the number of stickers between Valen and Simon at first
= 6 u - 1 u
= 5 u
= 5 x 8
= 40
Answer(s): 40