It takes 20 minutes for John to go to the bathroom 8 times.  How long would it take to go 6 times? Let's think step by step and output the final answer after "####".
user
He spends 20/8=<<20/8=2.5>>2.5 minutes each time he goes in
So it would take 2.5*6=<<2.5*6=15>>15 minutes to go 6 times
#### 15
It takes 20 minutes for John to go to the bathroom 8 times.  How long would it take to go 6 times?
train