Four kids can wash three whiteboards in 20 minutes. How long would it take, in minutes, for one kid to wash six whiteboards? Let's think step by step and output the final answer after "####".
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One kid can wash three whiteboards in 20*4=<<20*4=80>>80 minutes.
One kid can wash six whiteboards in 80*(6/3)=160 minutes.
#### 160
Four kids can wash three whiteboards in 20 minutes. How long would it take, in minutes, for one kid to wash six whiteboards?
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