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