Donovan is painting a large wall orange. yesterday, he painted a square-shaped area that was 7x square feet. today, he extended one side of the orange area by 3 feet and the other consecutive side by 4 feet.

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.