suppose that the Aztec cell phone company charges $50 per month plus 15 cents per minute while the southern cell phone company charges no monthly fee but 25 cents per minute after how many minutes of phone usage would a monthly phone bill be the same from both companies

2 answers

number of minutes ---- m

solve :
25m = 500 + 15m
suppose that the Aztec cell phone company charges $50 per month plus 15 cents per minute while the southern cell phone company charges no monthly fee but 25 cents per minute after how many minutes of phone usage would a monthly phone bill be the same from both companies