Great valley state park charges $10 for admission to its camping grounds and $17.50 per night for a campsite ( Ranger Rick realizes that a function rule can be used to generalize the situation. Write a function rule to represent the total cost of camping at Great Valley as a function of the number of nights camped. Be sure to define the variables you use in your function rule.) please help this is for TESTTT!!!

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?