PSLE Jack, Flynn and Cody had 459 stickers altogether. Jack gave
320 of his stickers to Flynn and
25 of his stickers to Cody. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Flynn and Cody at first?
|
Jack |
Flynn |
Cody |
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 Jack, Flynn and Cody in the end |
1x9 = 9 u |
1x9 = 9 u |
1x9 = 9 u |
3x9 = 27 u |
Fraction of stickers that Jack had left
= 1 -
320 -
25 = 1 -
320 -
820 =
920 Total number of stickers
= 3 x 9 u
= 27 u
27 u = 459
1 u = 459 ÷ 27 = 17
Difference in the number of stickers between Flynn and Cody at first
= 6 u - 1 u
= 5 u
= 5 x 17
= 85
Answer(s): 85