A "bullet" train set a new world record for train speed at 550 kilometers per hour during a manned test run on the test line in april 1999. the test line is 42.2 kilometers long. how many minutes would a test run on the test line last at this record-setting speed?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?