A ferris wheel can accomodate 45 people in 20 minutes. How many people could ride the ferris wheel in 6 hours? What was that rate per day?
6 hr * 60min/hr * 45people/20 min = (6*60*45)/20 people
and, of course, a day is 4 * 6hr
and, of course, a day is 4 * 6hr