document.write( "Question 981198: Please help me solve this problem: If 18 men take 10 hours to build a wall, how manu hours would 10 men take? I think the answer is 18 hours. Please explain this question to me. \n" ); document.write( "

Algebra.Com's Answer #602229 by josgarithmetic(39617) $\"\"$ $\"About$

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Uniform Rates, Doing A Job.
\n" ); document.write( "One job for this exercise is \"build a wall\".
\n" ); document.write( "RT=J to relate work rate, time, quantity of job or jobs.\r
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\n" ); document.write( "\n" ); document.write( "Agents working in a team give the team a rate the sum of the rates of the individual team members.\r
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\n" ); document.write( "\n" ); document.write( "Let r be work rate for one worker.
\n" ); document.write( "Let t be unknown time for the question clause.
\n" ); document.write( "First clause: $\"18r%2A10=1\"$
\n" ); document.write( "Second clause: $\"10%2Ar%2At=1\"$ \r
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\n" ); document.write( "\n" ); document.write( "Understanding the discussion and how the two equations were formed must be, before you continue.\r
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\n" ); document.write( "\n" ); document.write( "-
\n" ); document.write( "The rest is just arithmetic, or simple algebra steps. \n" ); document.write( "

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