document.write( "Question 782199: How do I set this up: For a long distance call, the telephone company charges .35 for each of the first three minutes and .15 for each additional minute. If the cost of a call was $12.30, how many minutes did the call last?
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Algebra.Com's Answer #476320 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! How do I set this up: For a long distance call, the telephone company charges .35 for each of the first three minutes and .15 for each additional minute. If the cost of a call was $12.30, how many minutes did the call last? \n" ); document.write( "------------ \n" ); document.write( "Cost = 35 + 15*(t-3) = 1230, t in minutes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |