PSLE Warren, Glen and Wesley had 150 stickers altogether. Warren gave
110 of his stickers to Glen and
25 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 Glen and Wesley at first?
|
Warren |
Glen |
Wesley |
Total |
Before |
10 u |
4 u |
1 u |
15 u |
Change 1 |
- 1 u |
+ 1 u |
|
|
Change 2 |
- 4 u |
|
+ 4 u |
|
After |
5 u |
5 u |
5 u |
15 u |
Comparing between Warren, Glen and Wesley in the end |
1x5 = 5 u |
1x5 = 5 u |
1x5 = 5 u |
3x5 = 15 u |
Fraction of stickers that Warren had left
= 1 -
110 -
25 = 1 -
110 -
410 =
510 Total number of stickers
= 3 x 5 u
= 15 u
15 u = 150
1 u = 150 ÷ 15 = 10
Difference in the number of stickers between Glen and Wesley at first
= 4 u - 1 u
= 3 u
= 3 x 10
= 30
Answer(s): 30