There are 13-1=<<13-1=12>>12 stripes left

So there are 12/2=<<12/2=6>>6 red stripes

So the total number of red stripes is 6+1=<<6+1=7>>7 red stripes

So he has a total of 7*10=<<7*10=70>>70 red stripes

# Answer

70
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
On an American flag, the first stripe is red and half of the remaining stripes are also red. Each flag has 13 stripes.  John buys 10 flags.  How many red stripes are there?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
70
On an American flag, the first stripe is red and half of the remaining stripes are also red. Each flag has 13 stripes.  John buys 10 flags.  How many red stripes are there?
train