document.write( "Question 978750: The present ages of A and B are as 6:4.Five years ago their ages were in the ratio 5:3.find their presend ages.? \n" ); document.write( "

Algebra.Com's Answer #600123 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2FB=6%2F4\"$
\n" ); document.write( " $\"4A=6B\"$
\n" ); document.write( " $\"2A=3B\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( " $\"%28A-5%29%2F%28B-5%29=5%2F3\"$
\n" ); document.write( " $\"3%28A-5%29=5%28B-5%29\"$
\n" ); document.write( " $\"3A-15=5B-25\"$
\n" ); document.write( " $\"3A-5B=-10\"$
\n" ); document.write( " $\"6A-10B=-20\"$
\n" ); document.write( "From above,
\n" ); document.write( " $\"6A=9B\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"9B-10B=-20\"$
\n" ); document.write( " $\"-B=-20\"$
\n" ); document.write( " $\"B=20\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"2A=3%2820%29\"$
\n" ); document.write( " $\"A=30\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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