Victoria and Tina have 392 buttons altogether. Tina has thrice as many buttons as Victoria. How many buttons must Tina give to Victoria so that they have the same number of buttons?
| |
Victoria |
Tina |
Total |
| Before |
1 u |
3 u |
392 |
| Change |
+ ? |
- ? |
|
| After |
196 |
196 |
392 |
Total number of buttons that Victoria and Tina have
= 1 u + 3 u
= 4 u
4 u = 392
1 u = 392 ÷ 4 = 98
Number of buttons that Victoria and Tina each has in the end
= 392 ÷ 2
= 196
Number of buttons that Tina must give to Victoria
= 196 - 98
= 98
Answer(s): 98
