document.write( "Question 1154140: While stuck at home with no school, a brother and sister were asked to rake the lawn. The younger sister takes 5 hours longer to rake the lawn than the older brother. If it took them 6 hours to rake the lawn working together, how much time does it take for each of them working alone? \n" ); document.write( "

Algebra.Com's Answer #776507 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "BROTHER           1/b\r\n" );
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document.write( "SISTER           1/(b+5)\r\n" );
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document.write( "Combined         1/6\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"1%2Fb%2B1%2F%28b%2B5%29=1%2F6\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28b%2B5%29%2Bb=%28b%5E2%2B5b%29%2F6\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2b%2B5=%28b%5E2%2B5b%29%2F6\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"12b%2B30=b%5E2%2B5b\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"b%5E2-7b=30\"$ \r
\n" ); document.write( "\n" ); document.write( "Maybe $\"3%2A10=30\"$ comparing $\"b%28b-7%29=30\"$ , $\"b=10\"$ .\r
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document.write( "PERSON        TIME to do ONE JOB\r\n" );
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document.write( "BROTHER           10\r\n" );
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document.write( "SISTER           15\r\n" );
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document.write( "Combined         6\r\n" );
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