document.write( "Question 1085310: A takes 16 Days less than B to do a piece of work. If both working together can do it in 15 days ,in how many days will A alone complete the work.
\n" ); document.write( "My solution:
\n" ); document.write( "Let time taken by B be x
\n" ); document.write( "Time taken by A= x-16
\n" ); document.write( "One day work of B =1/x
\n" ); document.write( "One day work of A =1/x-16
\n" ); document.write( "They together complete the work in 15 days
\n" ); document.write( "A+B one day work = 1/15
\n" ); document.write( "According to question
\n" ); document.write( "1/(x-16) -1/x =1/15
\n" ); document.write( "X-(x-16)/x^2-16x= 1/15
\n" ); document.write( "16/x^2-16x= 1/15
\n" ); document.write( "15×16=x^2-16x
\n" ); document.write( "x^2-16x-240=0
\n" ); document.write( "On solving this eq my ans is not coming. Please give me the correct solution.
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Algebra.Com's Answer #699391 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"a piece of work\", 1 job.\r
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\n" ); document.write( "\n" ); document.write( "A takes 16 days less than B...
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document.write( "             RATES\r\n" );
document.write( "A            1/(x-16)\r\n" );
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document.write( "B            1/x\r\n" );
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document.write( "Together     \"1%2F%28x-16%29%2B1%2Fx=1%2F15\"\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( "\"15x%28x-16%29%281%2F%28x-16%29%2B1%2Fx%29=%2815x%28x-16%29%29%281%2F15%29\"\r
\n" ); document.write( "\n" ); document.write( "\"15x%2B15%28x-16%29=x%28x-16%29\"\r
\n" ); document.write( "\n" ); document.write( "\"15x%2B15x-240=x%5E2-16x\"\r
\n" ); document.write( "\n" ); document.write( "\"30x-240=x%5E2-16x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-16x-30x%2B240=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-46x%2B240=0\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"x=%2846%2B-sqrt%2846%5E2-4%2A240%29%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%2846%2B-+sqrt%281156%29%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%2846%2B-+34%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"system%28x=6%2Cor%2Chighlight%28x=40%29%29\"-----------time for B.\r
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\n" ); document.write( "\n" ); document.write( "The time for A to do the job alone would be \"40-16=highlight%2834%29\" minutes.
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