document.write( "Question 1058019: A B and C can clean a house in 2 hours
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document.write( "A can clean a house in 5 hours
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document.write( "B can clean a house in 6 hours
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document.write( "How long does it take A and C to clean a house?\r
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document.write( "My work so far:
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document.write( "A= 300/60 min.
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document.write( "B= 360/60
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document.write( "C= x/60\r
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document.write( "
Algebra.Com's Answer #673028 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Their rates of cleaning would look like: \n" ); document.write( "[ 1 house cleaned ] / [ time to clean the house ] \n" ); document.write( "Let \n" ); document.write( "Let \n" ); document.write( "Let \n" ); document.write( "----------------------------------- \n" ); document.write( "given: \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "(3) \n" ); document.write( "------------------------------- \n" ); document.write( "By substitution: \n" ); document.write( "(1) \n" ); document.write( "Multiply both sides by \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "---------------------- \n" ); document.write( "Let \n" ); document.write( "clean a house \n" ); document.write( " \n" ); document.write( "Multiply both sides by \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "A and C together will take 3 hrs to clean a house \n" ); document.write( "---------------------- \n" ); document.write( "check answer: \n" ); document.write( "Plug this result into (1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "OK\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |