document.write( "Question 249630: Lordy help me please,
\n" ); document.write( "Media Services charge $20 for a phone and $30/month for its economy plan The equation c=30t+20 describes the total cost, c of operating a phone for t months
\n" ); document.write( "The total cost for 2 months is?, I got this part it is $100 but the part I cant get is If a customer has only $90 available how many months of service can they receive A 2 1/3 B 2 C 2 1/2 or D 3
\n" ); document.write( "Can someone help with this part? thanks
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Algebra.Com's Answer #181811 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
100 is wrong
\n" ); document.write( "$20 is just charged the first month
\n" ); document.write( "You didn't use the formula or you don't understand it
\n" ); document.write( "t=months
\n" ); document.write( "just plug 2 in the formula for t and solve for c
\n" ); document.write( "for the second part plug 90 in for c and solve for t\r
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