document.write( "Question 381565: DG’s Plumbing and Heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $450 for an emergency call. How long, to the nearest hour, was the plumber at Bill’s house?\r
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Algebra.Com's Answer #270641 by user_dude2008(1862)\"\" \"About 
You can put this solution on YOUR website!
65x+50>450\r
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\n" ); document.write( "\n" ); document.write( "65x>400\r
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\n" ); document.write( "\n" ); document.write( "x>6.15\r
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\n" ); document.write( "\n" ); document.write( "Plumber was there at least 7 hrs
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