She does 70*2=<<70*2=140>>140 skips a minute

So he does 140*5=<<140*5=700>>700 skips in the 5 minutes

# Answer

700
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Jan enters a double dutch competition.  After training she doubles her speed which used to be 70 skips per minute.  How many skips does she do in 5 minutes?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
700
Jan enters a double dutch competition.  After training she doubles her speed which used to be 70 skips per minute.  How many skips does she do in 5 minutes?
train