Xuan and Sabrina have 504 stamps altogether. Sabrina has five times as many stamps as Xuan. How many stamps must Sabrina give to Xuan so that they have the same number of stamps?
| |
Xuan |
Sabrina |
Total |
| Before |
1 u |
5 u |
504 |
| Change |
+ ? |
- ? |
|
| After |
252 |
252 |
504 |
Total number of stamps that Xuan and Sabrina have
= 1 u + 5 u
= 6 u
6 u = 504
1 u = 504 ÷ 6 = 84
Number of stamps that Xuan and Sabrina each has in the end
= 504 ÷ 2
= 252
Number of stamps that Sabrina must give to Xuan
= 252 - 84
= 168
Answer(s): 168
