Asked by vincent
23. There are two telephone companies provide home phone service in New York City. Company A charges $25 monthly fee and $0.10 for one minute after 30 minutes phone call. Company B charges $20 monthly fee and $0.12 for one minute after 30 minutes phone call. By what minutes, these two companies will charge the same?
Answers
Answered by
Steve
For m minutes,
A: 25.00+0.10(m-30)
B: 20.00+0.12(m-30)
So, just solve for m when A=B
The language used for this problem is rather odd. Not at all what I'd expect from a school text.
A: 25.00+0.10(m-30)
B: 20.00+0.12(m-30)
So, just solve for m when A=B
The language used for this problem is rather odd. Not at all what I'd expect from a school text.
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