Problem Solving and Reasoning Practice

Question

Two cell phone companies are competing for your business. Company A charges a fixed rate of $55 per month and $.12 per minute of use. Company B charges a fixed rate of $45 an $.15 per minute of use. How many minutes (to the nearest minute) must a cell phone be used each month if the two companies to charge the same amount?

Answer 1

55 + 0.12N = 45 + 0.15N

10 = 0.03N

1000 = 3N

N = 333 and 1/3

The cost is $95