document.write( "Question 514569: Paul earns $9 per hour. How many hours must Paul work to earn at least $645. \n" ); document.write( "
Algebra.Com's Answer #343474 by nerdybill(7384)\"\" \"About 
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Paul earns $9 per hour. How many hours must Paul work to earn at least $645.
\n" ); document.write( "Let h = number of hours worked
\n" ); document.write( "then
\n" ); document.write( "9h >= 645
\n" ); document.write( "h >= 645/9
\n" ); document.write( "h >= 71.67 hours
\n" ); document.write( "answer is 72 hours\r
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