Robert coughs twice as much as Georgia who coughs 5 times so Robert coughs 2*5 = <<10=10>>10 coughs per minute

Georgia coughs 5 times and Robert coughs 10 times so together they cough 5+10 = <<5+10=15>>15 times per minute

After 20 minutes they will have coughed 15*20 = <<15*20=300>>300 coughs

# Answer

300
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Georgia is sick and coughs 5 times a minute.  Her brother Robert is also sick but he coughs twice as much as her.  After 20 minutes, how many times have they coughed?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
300
Georgia is sick and coughs 5 times a minute.  Her brother Robert is also sick but he coughs twice as much as her.  After 20 minutes, how many times have they coughed?
train