LetsGo car ride service charges an initial fee of $10 and then $3 per mile. Anywhere Same car ride service charges $4 per mile with no initial fee. Graph the cost of a ride for each service. When will the cost for a ride be the same?

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.