After they got a total of more than 300 phone calls the police took the phone off the hook on what day did the police receive their 300th call

Question

On July 5 in the area armound  downtown Detroit there was a great experience   Six different people reported to the police that they had seen Bigfoot The very large hairy creature sometime seen  but never captured The next day twice as many people call the police  sure they had seen the creature each day the police received double the number of calls the day before after they got a total of more than 300 phone calls the police took the phone off the hook on what day did the police receive their 300th call

Answer 1

Day     Calls     Total

1          6           6

2         12         18

3         24         42

4         48         90

5         96        186

6        192       372

 

The 300th call was received partly through the 6th day