Monday

April 21, 2014

April 21, 2014

Posted by **Austin** on Monday, September 28, 2009 at 10:12pm.

The charges for a telephone call are $0.45 for the first 3 minutes and $0.09 for each additional minute or part of a minute. Represent the cost of a telephone call that lasts "m" minutes, when "m" is greater than 3.

- Algebra -
**drwls**, Monday, September 28, 2009 at 10:50pm0.45 + 0.09 (m-3)= 0.09x + 0.18

It also works if m=3

**Related Questions**

Algrebra - How do you represent each answer as an algebraic expression using the...

MAth - The cost of a telephone call is $0.75 + $0.25 times the number of minutes...

math - The cost of a telephone call is $0.75 + $0.25 times the number of ...

math - the cost of a telephone call is $0.75 + $0.25 times the number of ...

math - You need to choose a long distance telephone service for your business. ...

Algrebra - How do you represent each answer as an algebraic expression using the...

math - When making a telephone call using a calling card, a call lasting 3 ...

Math - A telephone call costs c cents for the first 3 minutes and 12 cents for ...

Math expression - If the customer uses more than 450 minutes the payment is $39....

8th grade math - my project is to complete the October calendar, using the ...