deandra traded $2800 for swiss francs, immediately changed her mind, and then promptly traded her swiss francs back into dollars. which of these amounts is she most likely to have?​

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.