document.write( "Question 484151: 3. Moving Costs\r
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document.write( "Moving company A charges $80 plus $55 an hour to move households across town. Moving Company B charges $75 an hour for cross-town moves. For what lengths of time is Moving Company B more expensive than Moving Company A? Write an inequality and solve for time t.\r
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document.write( "Show your work not just the final answer.
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Algebra.Com's Answer #331269 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Let x be the number of hours \n" ); document.write( "company A 80 + 55.00 x \n" ); document.write( "Company B 0 + 75.00 x \n" ); document.write( "company A < Company B \n" ); document.write( "0 + 75.00 x < 80 + 55.00 x \n" ); document.write( "0 + 75.00 x < 80 + 55.00 x \n" ); document.write( "0 - 80 < 55 x -75 x \n" ); document.write( "-80 < -20 x \n" ); document.write( "4 < x \n" ); document.write( "x should be greater than 4 hours for B to be more expensive \n" ); document.write( " \n" ); document.write( " |