document.write( "Question 135887: Media Services charges $20 for a phone and $30/month for its economy plan.
\n" ); document.write( " Formulate a model that can be used to determine the total cost, C(t), of operating a Media Services phone for t months.
\n" ); document.write( "C(t)=?\r
\n" ); document.write( "\n" ); document.write( "HELP!!!
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Algebra.Com's Answer #99550 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Media Services charges $20 for a phone and $30/month for its economy plan.
\n" ); document.write( " Formulate a model that can be used to determine the total cost, C(t), of operating a Media Services phone for t months.
\n" ); document.write( "C(t)= 20 + 30t
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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