Respuesta :
C is the correct answer
If y is the total cost then 100 is the initial cost 20x is the cost per month because for every month (x) it costs 20 more.
Let me know if I can explain this further.
If y is the total cost then 100 is the initial cost 20x is the cost per month because for every month (x) it costs 20 more.
Let me know if I can explain this further.