Luis is making two batches of muffins for a school picnic. one batch of muffins uses 1/3 cup of oats and 1/2 cup of flour. how much oats and flour does luis need for two batches? complete the explanation of how fraction strips are used to solve the problem

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.