David has
47 as many stickers as Vincent. They have a total of 264 stickers. How many stickers must Vincent give to David so that they will have the same number of stickers?
|
David |
Vincent |
Total |
Before |
4 u |
7 u |
11 u |
Change |
+ ? |
- ? |
|
After |
132 |
132 |
264 |
Total number of stickers
= 4 u + 7 u
= 11 u
11 u = 264
1 u = 264 ÷ 11 = 24
Number of stickers that each of them has in the end
= 264 ÷ 2
= 132
Number of stickers that David has
= 4 u
= 4 x 24
= 96
Number of stickers that Vincent must give David
= 132 - 96
= 36
Answer(s): 36