document.write( "Question 753454: If 6 machines take 4 hours to complete a task, how many machines does it take to complete the same task in 1 hour?
\n" ); document.write( " 6/4= 2.5
\n" ); document.write( "2.5*6= 15
\n" ); document.write( " 15 machines?
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Algebra.Com's Answer #458394 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
I can express it like this:
\n" ); document.write( "6 machines take 4 hrs to do 1 job
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\n" ); document.write( "I can say that 4 times as many machines will
\n" ); document.write( "do 1 job in 1/4 the time, so:
\n" ); document.write( "24 machines will take 1 hr to do 1 job
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