Mark and Ahmad had a total of 132 stamps. Ahmad had half as many stamps as Mark. How many stamps must Mark give to Ahmad so they have an equal number of stamps?
|
Mark |
Ahmad |
Total |
Before |
2 u |
1 u |
132 |
Change |
- ? |
+ ? |
|
After |
1 |
1 |
|
Total number of stamps at first = 3 u
1 u = 132 ÷ 3 = 44
Mark and Ahmad have an equal number of stamps in the end.
Number of stamps that Ahmad has in the end
= 132 ÷ 2
= 66
Number of stamps that Mark must give to Ahmad
= 66 - 44
= 22
Answer(s): 22