Perry has
37 as many stamps as Zane. They have a total of 300 stamps. How many stamps must Zane give to Perry so that they will have the same number of stamps?
| |
Perry |
Zane |
Total |
| Before |
3 u |
7 u |
10 u |
| Change |
+ ? |
- ? |
|
| After |
150 |
150 |
300 |
Total number of stamps
= 3 u + 7 u
= 10 u
10 u = 300
1 u = 300 ÷ 10 = 30
Number of stamps that each of them has in the end
= 300 ÷ 2
= 150
Number of stamps that Perry has
= 3 u
= 3 x 30
= 90
Number of stamps that Zane must give Perry
= 150 - 90
= 60
Answer(s): 60
