document.write( "Question 727113:
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document.write( "If Samantha and Logan can do their paper route together in 45min,how many hours would it take each of them to do it alone, given that Samantha is 3 times as fast as Logan?\r
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document.write( " RATE TIME WORK DONE\r
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document.write( "Samantha\r
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document.write( "Logan \n" );
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Algebra.Com's Answer #444969 by checkley79(3341) ![]() You can put this solution on YOUR website! 1/x+1/3x=1/.75 \n" ); document.write( "(3+x)/3x=1/.75 cross multiply. \n" ); document.write( "3x=(3+x).75 \n" ); document.write( "3x=2.25+.75x \n" ); document.write( "3x-.75x=2.25 \n" ); document.write( "2.25x=2.25 \n" ); document.write( "x=1 hour for Samantha \n" ); document.write( "3*1=3 hours for Logan \n" ); document.write( "Proof: \n" ); document.write( "1/1+1/3=1/.75 \n" ); document.write( "(3+1)/3=1/.75 \n" ); document.write( "4/3=1/.75 \n" ); document.write( "3=4*.75 \n" ); document.write( "3=3 \n" ); document.write( "########################################## \n" ); document.write( "RATE TIME WORK DONE \n" ); document.write( "Samantha = 1 Hour. \n" ); document.write( "Logan = 3 Hours. \n" ); document.write( " |