document.write( "Question 436737: 1/R + 1/S and (S+R)/RS
\n" ); document.write( "R=150 and S=120\r
\n" ); document.write( "\n" ); document.write( "1/R + 1/S = ? Simplify the answer\r
\n" ); document.write( "\n" ); document.write( "Can someone help me out? please. Thanks
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Algebra.Com's Answer #302172 by shree840(260)\"\" \"About 
You can put this solution on YOUR website!
1/r+1/s=(s+r)/sr
\n" ); document.write( "(150+120)/150*120
\n" ); document.write( "270/150*120
\n" ); document.write( "9/5*120=9/600=3/200 ANS
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