Glen has
29 as many buttons as Xavier. They have a total of 264 buttons. How many buttons must Xavier give to Glen so that they will have the same number of buttons?
|
Glen |
Xavier |
Total |
Before |
2 u |
9 u |
11 u |
Change |
+ ? |
- ? |
|
After |
132 |
132 |
264 |
Total number of buttons
= 2 u + 9 u
= 11 u
11 u = 264
1 u = 264 ÷ 11 = 24
Number of buttons that each of them has in the end
= 264 ÷ 2
= 132
Number of buttons that Glen has
= 2 u
= 2 x 24
= 48
Number of buttons that Xavier must give Glen
= 132 - 48
= 84
Answer(s): 84