Julian and Ivan had a total of 78 stickers. Ivan had half as many stickers as Julian. How many stickers must Julian give to Ivan so they have an equal number of stickers?
|
Julian |
Ivan |
Total |
Before |
2 u |
1 u |
78 |
Change |
- ? |
+ ? |
|
After |
1 |
1 |
|
Total number of stickers at first = 3 u
1 u = 78 ÷ 3 = 26
Julian and Ivan have an equal number of stickers in the end.
Number of stickers that Ivan has in the end
= 78 ÷ 2
= 39
Number of stickers that Julian must give to Ivan
= 39 - 26
= 13
Answer(s): 13