You are bidding on a job to maintain the local soccer fields in a community park. There are 6 fields that need to have their grass mowed weekly. The fields are 90 yards by 130 yards. The riding lawn mower you have has a 1.5 feet cutting width and an average of 4.5 miles per hour speed with regular use. a) How many passes will it take to mow one field?
b) How long will it take to mow one field? round your solution to two decimal places.​