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2 votes
Please answer this correctly

Please answer this correctly-example-1
User Kpw
by
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1 Answer

2 votes
20 buttons in total
Because he has
5 white buttons
2 fewer brown
5-2 =3
So 3 brown
9 more gray than brown
3+9 = 12
12 gray buttons
5+3+12=20
User Acbay
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5.4k points