PSLE Glen, Flynn and Michael had 288 stickers altogether. Glen gave
320 of his stickers to Flynn and
14 of his stickers to Michael. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Flynn and Michael at first?
|
Glen |
Flynn |
Michael |
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 Glen, Flynn and Michael in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Glen had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 288
1 u = 288 ÷ 36 = 8
Difference in the number of stickers between Flynn and Michael at first
= 9 u - 7 u
= 2 u
= 2 x 8
= 16
Answer(s): 16