In a class 40% of the students are girls and the rest are boys. If all the girls attended school but 40% of the boys stayed away what percent of the class was present in class. NEED HELP NOW PLEASE

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.