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