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Checkout Lines According to the article “How to Pick the Fastest Line at the Supermarket,” the amount of time (in seconds) you will be waiting in a checkout line has been approximated by Dan Meyer to be 41 seconds for each person in line ahead of you plus 3 seconds for each item ahead of you. (Data from: The New York Times, September 7,2016)
a. Find a formula
b. Find your waiting time in an express checkout line that has 5 people ahead of you, and each person has 10 items.
c. Find your waiting time in a regular checkout line that has only 2 people ahead of you, but each person has 40 items.
d. Is the express line in part (b) faster than the regular checkout line in part (c)?
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Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
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