Fill in the blank: Assume that the average line length at a Chick-fil-A restaurant is double that at the neighboring In-N-Out drive-thru. Additionally, in every minute, the number of cars joining the Chick-fil-A line is half of that for In-NOut. On average, the duration each car waits in the Chick-fil-A line is the time each car waits in the InN-Out line. Hint: The question asks about the "flow time" in the Little's law. four times longer than double equal to half