Adrian answered all 21 multiple-choice questions correctly . if her teacher decided to let one of the questions count as a bonus with the same number of points of the other problems on the test what was adrian's test score as a decimal and a percent ?

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.