Solve the Linear Inequality

question 296

Multiple Choice

Solve the linear inequality. Other than ∅, use interval notation to express the solution set and graph the solution set
on a number line.
-ABC phone company charges $20 per month plus 5¢ per minute of phone calls. XYZ phone company charges $10 per month plus 7¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?

• A) Less than 500 minutes
• B) More than 500 minutes
• C) More than 50 minutes
• D) Less than 50 minutes

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Definitions:

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