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May 29, 2015

Homework Help: math

Posted by ReRe on Monday, February 8, 2010 at 1:26pm.

When making a telephone call using a calling card, a call lasting 3 minutes cost $1.65. A call lasting 11 minutes cost $4.85. Let y ba the cost of making a call lasting x minutes using a calling card. Write a linerar equation that models the cost of making a call lasting x minutes.

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