document.write( "Question 147304: media services charges $20 for a phone and 30/month for it's economy plan. the equation C=30t+20 describes the total cost, c, of operatinga media services phone for t months. the total cost for 2 mos service is? if a customer only has $90 available,how many mos can she recieve? \n" ); document.write( "
Algebra.Com's Answer #107676 by vleith(2983)\"\" \"About 
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\"C%28t%29=30t%2B20+\" is the given equation.\r
\n" ); document.write( "\n" ); document.write( "What is the cost at 2 months? That is asking, what is C(2)?\r
\n" ); document.write( "\n" ); document.write( "\"C%282%29+=+30%2A%282%29+%2B+20+\"
\n" ); document.write( "\"C%282%29+=+60+%2B+20+\"
\n" ); document.write( "\"C%282%29+=+80+\" dollars\r
\n" ); document.write( "\n" ); document.write( "Is the client has $90, she can only get 2 months of service. Keep the other $10 for something else.
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