You coordinate volunteers for litter cleanup in local parks. your spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, beside drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own. which of the following formulas would give your result?
a.) s
b.) s/d
c.) d + s
d.) d - s
e.) s - d