PSLE Owen, Lee and Jenson had 504 stickers altogether. Owen gave
320 of his stickers to Lee and
14 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 Lee and Jenson at first?
|
Owen |
Lee |
Jenson |
Total |
Before |
20 u |
9 u |
7 u |
36 u |
Change 1 |
- 3 u |
+ 3 u |
|
|
Change 2 |
- 5 u |
|
+ 5 u |
|
After |
12 u |
12 u |
12 u |
36 u |
Comparing between Owen, Lee and Jenson in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Owen had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 504
1 u = 504 ÷ 36 = 14
Difference in the number of stickers between Lee and Jenson at first
= 9 u - 7 u
= 2 u
= 2 x 14
= 28
Answer(s): 28