In order to develop a more appealing cheeseburger, a franchise uses taste tests with 1515 different buns, 66 different cheeses, 33 types of lettuce, and 55 types of tomatoes. if the taste tests were done at one restaurant by one tester who takes 10 minutes to eat each cheeseburger, approximately how long would it take the tester to eat all possible cheeseburgers?