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