customers can pick their own apples at the happy apple farm. they pay $5 to enter the farm and $2.50 per pound for the apples they pick. write an equation to model the total cost, y, for x pounds of apples.
If no apples are picked, the cost is 5 (dollars). For each pound of apples (x) the cost goes up by 2.50x (dollars). The sum of the entry and per-pound costs is the total cost: