# Algebra

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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 -

0.45 + 0.09 (m-3)= 0.09x + 0.18
It also works if m=3

• Algebra -

If a worm can travel 1.5 meters per minute, how far can the worm travel in 8 minutes

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