PSLE Ben, George and Wesley had 396 stickers altogether. Ben gave
320 of his stickers to George and
14 of his stickers to Wesley. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between George and Wesley at first?
|
Ben |
George |
Wesley |
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 Ben, George and Wesley in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Ben had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 396
1 u = 396 ÷ 36 = 11
Difference in the number of stickers between George and Wesley at first
= 9 u - 7 u
= 2 u
= 2 x 11
= 22
Answer(s): 22