Elijah and Cody had a total of 60 stamps. Cody had half as many stamps as Elijah. How many stamps must Elijah give to Cody so they have an equal number of stamps?
| |
Elijah |
Cody |
Total |
| Before |
2 u |
1 u |
60 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of stamps at first = 3 u
1 u = 60 ÷ 3 = 20
Elijah and Cody have an equal number of stamps in the end.
Number of stamps that Cody has in the end
= 60 ÷ 2
= 30
Number of stamps that Elijah must give to Cody
= 30 - 20
= 10
Answer(s): 10
