document.write( "Question 1115666: Eric and Nathan together can do a piece of work in 3 days. If it takes Eric working alone 1 3/4 days longer than it does Nathan, in how many days can each do the work alone. \n" ); document.write( "
Algebra.Com's Answer #730512 by josgarithmetic(39617)\"\" \"About 
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n, time for Nathan alone.\r
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\n" ); document.write( "\n" ); document.write( "To start, the description forms this equation: \"1%2F%28n%2B1%263%2F4%29%2B1%2Fn=1%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F%28n%2B7%2F4%29%2B1%2Fn=1%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"%284%2F4%29%281%2F%28n%2B7%2F4%29%29%2B1%2Fn=1%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"4%2F%284n%2B7%29%2B1%2Fn=1%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"3%2A4%2An%2B3%284n%2B7%29=n%284n%2B7%29\"\r
\n" ); document.write( "\n" ); document.write( "\"12n%2B12n%2B21=4n%5E2%2B7n\"\r
\n" ); document.write( "\n" ); document.write( "\"7n%2B21=4n%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"4n%5E2-7n-21=0\"-----work with this and pick the right value for n.\r
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\n" ); document.write( "\n" ); document.write( "n, about 3.328 days
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