John decides to get the vaccine for COVID.  He has to wait 20 minutes for the first dose.  The second dose has a wait time half as long.  How long was the total wait time? Let's think step by step and output the final answer after "####".
user
The second dose had a wait time of 20/2=<<20/2=10>>10 minutes
So the total wait time is 20+10=<<20+10=30>>30 minutes
#### 30
John decides to get the vaccine for COVID.  He has to wait 20 minutes for the first dose.  The second dose has a wait time half as long.  How long was the total wait time?
train