Asked by coried
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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Answered by
Ms. Sue
Marth already answered this.
http://www.jiskha.com/display.cgi?id=1250023442
http://www.jiskha.com/display.cgi?id=1250023442
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