Respuesta :

Answer:

65

Step-by-step explanation:

20 + 15 + 15 + 15

Y = 15x + 5

X = each day (after the first) you are charged $15

15 + 5 is charged in the first day = 20

Y = Total

Your Y intercept is 5

Your slope is 15

Don’t go into negatives because money and time can’t be negative