Respuesta :

Answer: 39$

Step-by-step explanation: calls=x x=30 30*.05= 1.50 40.50-1.50= 39$

Answer:38.55

Step-by-step explanation:

because you would make x=to 30 for the time and that would make the problem

40.05-0.05*30

0.05*30=1.5 so

40.05-1.5=38.55