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Mathematics 17 Online
OpenStudy (anonymous):

you have relatives living in the United Kingdom and in France. Suppose that you have purchased a prepaid phone card with a value of $75. Calls to the United Kingdom cost 23cents per minute while calls to France cost 21cents per minute...write a linear equation in two variables to represent the number of minutes you can use to call those two locations. Then graph the inequality and discuss a possible solution in the context of the real life situation.

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