document.write( "Question 346063: A long distance telephone service charges 10 cents for the first minute and 5 cents for each minute thereafter. Write an equation representing the cost C for any call, using x for its length. Using that equation, how many minutes can you talk on the phone if you don’t want the cost to exceed $5.00?
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Algebra.Com's Answer #247431 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x mins duration \n" ); document.write( "5 cents/minute \n" ); document.write( "5x per cal \n" ); document.write( "+ 10 cents \n" ); document.write( "... \n" ); document.write( "C= 5x+10 \n" ); document.write( ".... \n" ); document.write( "5x+10<500 cents \n" ); document.write( "add -10 \n" ); document.write( "5x<500-10 \n" ); document.write( "5x<490 \n" ); document.write( "/5 \n" ); document.write( "5x/5 = 490/5 \n" ); document.write( "x<98 minutes \n" ); document.write( " |