His first drive was 30*.5=<<30*.5=15>>15 miles

The next leg was .5*2=<<.5*2=1>>1 hour

The speed of the trip was 30*2=<<30*2=60>>60 mph

So he drove 60*1=<<60=60>>60 miles

So in total he drove 60+15=<<60+15=75>>75 miles

# Answer

75
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
James drives 30 mph for half an hour and then twice as long for twice the speed.  How far did he drive in total?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
75
James drives 30 mph for half an hour and then twice as long for twice the speed.  How far did he drive in total?
train