PSLE Caden, Jeremy and Asher had 720 stickers altogether. Caden gave
320 of his stickers to Jeremy and
14 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 Jeremy and Asher at first?
|
Caden |
Jeremy |
Asher |
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 Caden, Jeremy and Asher in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Caden had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 720
1 u = 720 ÷ 36 = 20
Difference in the number of stickers between Jeremy and Asher at first
= 9 u - 7 u
= 2 u
= 2 x 20
= 40
Answer(s): 40