Ken has
47 as many stickers as Bobby. They have a total of 286 stickers. How many stickers must Bobby give to Ken so that they will have the same number of stickers?
|
Ken |
Bobby |
Total |
Before |
4 u |
7 u |
11 u |
Change |
+ ? |
- ? |
|
After |
143 |
143 |
286 |
Total number of stickers
= 4 u + 7 u
= 11 u
11 u = 286
1 u = 286 ÷ 11 = 26
Number of stickers that each of them has in the end
= 286 ÷ 2
= 143
Number of stickers that Ken has
= 4 u
= 4 x 26
= 104
Number of stickers that Bobby must give Ken
= 143 - 104
= 39
Answer(s): 39