document.write( "Question 385316: roger studied for x hours. her sister studied five more than roger. between both of them, they studied 30 hours. how much did each study? \n" ); document.write( "
Algebra.Com's Answer #272619 by mananth(16946)\"\" \"About 
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roger = xhours
\n" ); document.write( "sister = x+5 hours
\n" ); document.write( "..
\n" ); document.write( "x+x+5 =30
\n" ); document.write( "2x+5=30
\n" ); document.write( "-5 -5
\n" ); document.write( "2x=25
\n" ); document.write( "/2
\n" ); document.write( "x= 12.5 hours. roger time
\n" ); document.write( "sister = 17.5 hours
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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