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March 6, 2015

Homework Help: Algebra

Posted by coried on Tuesday, August 11, 2009 at 7:08pm.

When making a phone call using calling card a call lasting 3 minutes costs $1.60. A call lasting 10 minutes costs $4.40. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates to the cost of making the call y, to the time x.

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