document.write( "Question 945957: If 8 men can plough a field in 9 hours, how long would it take 18 men at the same rate?\r
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document.write( "a. 20 1/4 hours
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document.write( "b. 19 hours
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document.write( "c. 10 hours
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document.write( "d. 4hours \n" );
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Algebra.Com's Answer #577048 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! 8 men plough 1 field in 9 hrs \n" ); document.write( "1/8 that number of men will take 8 \n" ); document.write( "times as long to plough 1 field \n" ); document.write( "--------------------------------- \n" ); document.write( "1 man ploughs 1 field in 72 hrs \n" ); document.write( "18 times as many men will take 1/18 \n" ); document.write( "of that time to plough 1 field \n" ); document.write( "---------------------------------- \n" ); document.write( "18 men plough 1 field in 72/18 = 4 hrs \n" ); document.write( "The answer is (d)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |