Awireless carrier offers the following plans that a person is considering.
the family plan: $100 monthly fee, unlimited talk and text on up to 5 lines, and data charges of $35 for each device for up to 2 gb of data per device.
the mobile share plan: $160 monthly fee for up to 10 devices, unlimited talk and text for all the lines, and data charges of $15 for each device up to a shared total of 10 gb of data.
find the model of the total cost of the mobile share plan in dollars. use p for the number of devices that need data plans as part of their cost.