document.write( "Question 994572: Raja can do a piece of work in 20 days , while Ramesh can finish it in 25 days. ramesh started working and Raja joined him after 10 days. The whole work is completed in ? \n" ); document.write( "
Algebra.Com's Answer #613603 by josgarithmetic(39616)\"\" \"About 
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The piece of work is one whole, 1.
\n" ); document.write( "RT=1 , uniform rate equation for doing one unit of work, relating rate and time.\r
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\n" ); document.write( "\n" ); document.write( "Let t be the time for Raja to help in finishing the job.\r
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\n" ); document.write( "\n" ); document.write( "Work that ramesh did alone: \"%281%2F25%29%2A10\"\r
\n" ); document.write( "\n" ); document.write( "Work that ramesh and Raja did in combination simultaneously: \"%281%2F25%2B1%2F20%29%2At\"\r
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\n" ); document.write( "\n" ); document.write( "Altogether they did 1 piece of work.
\n" ); document.write( "\"highlight_green%28%281%2F25%29%2A10%2B%281%2F25%2B1%2F20%29t=1%29\"
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