human
Four kids can wash three whiteboards in 20 minutes. How long would it take, in minutes, for one kid to wash six whiteboards?
assistant
How long does it take one kid to wash three whiteboards? ** One kid can wash three whiteboards in 20*4=<<20*4=80>>80 minutes.
How long does it take one kid to wash six whiteboards? ** One kid can wash six whiteboards in 80*(6/3)=160 minutes.
#### 160