document.write( "Question 119067: 7/2=R/R-15 \n" ); document.write( "

Algebra.Com's Answer #87173 by stanbon(75887) $\"\"$ $\"About$

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7/2 = R/(R-15)
\n" ); document.write( "Cross-multiply to get:
\n" ); document.write( "7R-105 = 2R
\n" ); document.write( "5R = 105
\n" ); document.write( "R = 21
\n" ); document.write( "----------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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