Number Theory Riddle
Number Theory
Level
2
A hobo picks up cigarette butts from the ground and can make a cigarette with 4 butts. If he finds 16 cigarette butts, how many cigarettes can he make?
The answer is 5.
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With the 16 cigarette butts, he can make four cigarettes. But each of them has a butt, so four of those will make another cigarette, leading to a total of 5.