Question

9) Mr. Zale received his cell phone bill for the last month and it costed $66 for the month. On the bill,

there is a monthly service charge of $45. He also gets charged $0.30 per minute he talks on the
phone. How many minutes did Mr. Zale talk on the phone last month?

Answer 1

x= the number of minutes

0.3x+45=66

0.3x=66-45

0.3x=21

x=21/0.3=70

Mr. Zale spent 70 minutes on the phone last month