document.write( "Question 1075113: An internet provider charges a $110 set up fee and $70 monthly fee. Find the cost C(t) of having a contract with this provider for t months. If a person has paid $1440 for the internet provider, how many months has he had a contract with them? \n" ); document.write( "
Algebra.Com's Answer #689800 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\"C%28t%29=70t%2B110\"\r
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\n" ); document.write( "\n" ); document.write( "\"70t%2B110=C%28t%29\"
\n" ); document.write( "\"70t=C%28t%29-110\"
\n" ); document.write( "\"t=%28C%28t%29-110%29%2F70\"\r
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\n" ); document.write( "\n" ); document.write( "\"t=%281440-110%29%2F70\"
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