The roller coaster at Treasure Island Amusement Park consists of 15 cars, each of which can carry up . to three passengers. According to a time study...

The roller coaster at Treasure Island Amusement Park consists of 15 cars, each of which can carry up . to three passengers. According to a time study each run takes 1.5 minutes, and the time to unload and ' load riders is 3.5 minutes. What is the maximum effective capacity of the system ill number of pa.ssen-· gers per hour?