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November 28, 2014

November 28, 2014

Posted by **at** on Sunday, January 24, 2010 at 12:27pm.

media services charges $20 for a phone and $30 a month for itd economy plan. the equation c=30t+20 describes the total cost c, of operating a media service phone for t months.

the total cost for two months service?

if a customer has only $90 available how many months of service can she recive?

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**Ms. Sue**, Sunday, January 24, 2010 at 12:31pmTotal cost for 2 months is 20 + 30 + 30.

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**at**, Sunday, January 24, 2010 at 12:32pmso it would be $80 for two months then?

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**Ms. Sue**, Sunday, January 24, 2010 at 12:34pmRight.

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**at**, Sunday, January 24, 2010 at 12:36pmthank you that means she will be only able to get two months with her $90 then?

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**at**, Sunday, January 24, 2010 at 12:37pmor maybe two and a half months with her $90>?

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**Ms. Sue**, Sunday, January 24, 2010 at 12:40pmServices don't sell parts of months. Yes her $90 buys her the phone and two months service. She'll have $10 left over.

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**at**, Sunday, January 24, 2010 at 12:41pmthank you

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**Ms. Sue**, Sunday, January 24, 2010 at 1:28pmYou're welcome.

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