Charlie and Andy are driving towards a new ocean resort. Charlie's car is 20 miles west of the resort traveling at 40 mph while Andy's
car is 45 miles north of the resort traveling at 60 mph. The situation is shown in the following illustration.
Andy's Car

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.