First hour: <<13=13>>13

Second hour:13(2)=26

Third hour: 26(2)=52

Total:13+26+52=<<13+26+52=91>>91 questions

# Answer

91
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Bob was creating a math test for an online platform.  He created 13 questions in the first hour.  Bob then doubled his rate for the second hour, and doubled his second hour rate for the third hour.  How many questions did Bob create in the three hours?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
91
Bob was creating a math test for an online platform.  He created 13 questions in the first hour.  Bob then doubled his rate for the second hour, and doubled his second hour rate for the third hour.  How many questions did Bob create in the three hours?
train