Albert and Cody had a total of 72 stamps. Cody had half as many stamps as Albert. How many stamps must Albert give to Cody so they have an equal number of stamps?
| |
Albert |
Cody |
Total |
| Before |
2 u |
1 u |
72 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of stamps at first = 3 u
1 u = 72 ÷ 3 = 24
Albert and Cody have an equal number of stamps in the end.
Number of stamps that Cody has in the end
= 72 ÷ 2
= 36
Number of stamps that Albert must give to Cody
= 36 - 24
= 12
Answer(s): 12
