Homework Help: Algebra

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

How do you represent each answer as an algebraic expression using the variable mentioned?

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 10:50pm
0.45 + 0.09 (m-3)= 0.09x + 0.18
It also works if m=3

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