Write the Solution Set Using Interval Notation

question 166

Multiple Choice

Write the solution set using interval notation.
-When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.10. After that, each additional minute or portion of a minute of that call costs $0.20. Use an inequality to find the
Maximum number of minutes one can call long distance for $2.50.

• A) at most 1 minutes
• B) at most 5 minutes
• C) at most 13 minutes
• D) at most 2 minutes

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