PSLE Liam, Neave and Brandon had 360 stickers altogether. Liam gave
320 of his stickers to Neave and
14 of his stickers to Brandon. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Neave and Brandon at first?
|
Liam |
Neave |
Brandon |
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 Liam, Neave and Brandon in the end |
1x12 = 12 u |
1x12 = 12 u |
1x12 = 12 u |
3x12 = 36 u |
Fraction of stickers that Liam had left
= 1 -
320 -
14 = 1 -
320 -
520 =
1220 Total number of stickers
= 3 x 12 u
= 36 u
36 u = 360
1 u = 360 ÷ 36 = 10
Difference in the number of stickers between Neave and Brandon at first
= 9 u - 7 u
= 2 u
= 2 x 10
= 20
Answer(s): 20