document.write( "Question 1112369: Five years ago, roel was three times old as his brother tony. In 10 years, he will be 10 years older thab tony. Find their present ages. \n" ); document.write( "

Algebra.Com's Answer #727398 by josgarithmetic(39617) $\"\"$ $\"About$

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r, Roel
\n" ); document.write( "t, Tony\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"system%28r-5=3%28t-5%29%2Cr%2B10=%28t%2B10%29%2B10%29\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"r=3t-15%2B5\"$
\n" ); document.write( " $\"r=3t-10\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"r=t%2B10%2B10-10\"$
\n" ); document.write( " $\"r=t%2B10\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"equating\"$ $\"the\"$ $\"r\"$
\n" ); document.write( " $\"3t-10=t%2B10\"$
\n" ); document.write( " $\"2t=10%2B10\"$
\n" ); document.write( " $\"2t=20\"$
\n" ); document.write( " $\"highlight%28t=10%29\"$ \r
\n" ); document.write( "\n" ); document.write( "-
\n" ); document.write( " $\"r-5=3%2810-5%29\"$
\n" ); document.write( " $\"r=3%2A5%2B5\"$
\n" ); document.write( " $\"highlight%28r=20%29\"$ \n" ); document.write( "

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