document.write( "Question 1054311: 12 Workers can finish a third of a house in 15 days. How many workers must be added to finish the rest of the house in the next 18 days? \r
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document.write( "Could you please explain and draw some diagrams or pictures which could help me understand? Thanks. (Or anything that would help me in solving unit rate problems) \n" );
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Algebra.Com's Answer #669529 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! I use a step by step logic method \n" ); document.write( "( not the only way to do this ) \n" ); document.write( "-------------------------------- \n" ); document.write( "12 workers take 15 days to finish 1/3 of a house \n" ); document.write( "-------------------------------------------- \n" ); document.write( "After 1/3 of the house is finished, I want to know \n" ); document.write( "how many workers can finish the remaining 2/3 \n" ); document.write( "of the house in 18 aditional days. \n" ); document.write( "-------------------------------------------- \n" ); document.write( "It will take twice as many workers do do twice as \n" ); document.write( "much work ( 2/3 of a house ) in the same time, so \n" ); document.write( "--------------------------------------------- \n" ); document.write( "24 workers take 15 days to do 2/3 of a house \n" ); document.write( "--------------------------------------------- \n" ); document.write( "If wokers only have 1/5 of this amount of time to do \n" ); document.write( "the same amount of work ( 2/3 of a house ), then \n" ); document.write( "it will take 5 times as many workers, so \n" ); document.write( "---------------------------------------------- \n" ); document.write( "120 workers take 3 days to do 2/3 of a house \n" ); document.write( "----------------------------------------------- \n" ); document.write( "Now if workers can take 6 times as long to do the \n" ); document.write( "same amount of work, then it will only require 1/6 \n" ); document.write( "as many workers, so \n" ); document.write( "----------------------------------------------- \n" ); document.write( "20 workers take 18 days to do 2/3 of a house \n" ); document.write( "( the remaining 2/3 )\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |