Howard gave
29 of his buttons to Valen,
17 of his remaining buttons to Jack and
16 of the rest of his buttons to Jeremy. He then had 15 buttons left. How many buttons had he at first?
Valen |
Remaining buttons |
Total |
2 u |
7 u |
9 u |
|
Jack |
Rest of the buttons |
|
|
1 u |
6 u |
|
|
|
Jeremy |
Left |
|
|
|
1 u |
5 u |
|
|
|
|
15 |
|
Number of buttons that Howard had before = 9 u
Number of buttons that Howard gave to Valen = 2 u
Number of buttons that Howard gave to Jack = 1 u
Number of buttons that Howard gave to Jeremy = 1 u
Number of buttons that Howard had left = 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Number of buttons that Howard had at first
= 9 u
= 9 u x 3
= 27
Answer(s): 27