Alex's cell phone bill charges $.05 per minute.a) What is the cost of the phone bill per hour?(Use Proportion Method or method own choice)b) How much money will Alex pay if she uses her cell phonefor 8.5 hours?

Respuesta :

Charges $0.05 per minute

a) bill per hour=

1 hour= 60 minutes

Then

Charge bill = 60x 0.05= $3 per hour

b) Alex use phone for 8.5 hours

Then

Charge bill= 8.5x 60x 0.05 = $25.5 dollars