Xavier gave
211 of his buttons to Perry,
29 of his remaining buttons to Luke and
37 of the rest of his buttons to Charlie. He then had 20 buttons left. How many buttons had he at first?
Perry |
Remaining buttons |
Total |
2 u |
9 u |
11 u |
|
Luke |
Rest of the buttons |
|
|
2 u |
7 u |
|
|
|
Charlie |
Left |
|
|
|
3 u |
4 u |
|
|
|
|
20 |
|
Number of buttons that Xavier had before = 11 u
Number of buttons that Xavier gave to Perry = 2 u
Number of buttons that Xavier gave to Luke = 2 u
Number of buttons that Xavier gave to Charlie = 3 u
Number of buttons that Xavier had left = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Number of buttons that Xavier had at first
= 11 u
= 11 u x 5
= 55
Answer(s): 55