A certain cellular phone plan charges $22.00 per month plus $0.13 for each minute of usage. The monthly charge is given by the formula monthly charge=0.13x+22, where x represents the number of minutes of usage per month. What is the charge for a month with 330 minutes of usage? Write your answer to two decimal places as money is traditionally written.

Question

A certain cellular phone plan charges $22.00​ per month plus $0.13​ for each minute of usage. The monthly charge is given by the formula monthly charge=0.13x+22, where x represents the number of minutes of usage per month. What is the charge for a month with 330​ minutes of usage? Write your answer to two decimal places as money is traditionally written.

Anonymous · Answer

wouldn't it be 330+22= charged amount

Daniel · Answer

Given, Monthly charge=(0.13)x+22 (x represents number of minutes) Also given that there's 330 minutes of usage. So, Substituting the 330 value in x in the above equation we get, Monthly charge=(0.13)(330)+22 Monthly charge=42.9+22 Monthly charge=$64.90 There you go!