document.write( "Question 978481: The present ages of A and B are as 6:4.Five years ago their ages were in the ratio 5:3.Find their present ages.
\n" ); document.write( "a.42,28
\n" ); document.write( "b.36,24
\n" ); document.write( "c.20,30
\n" ); document.write( "d.30,20
\n" ); document.write( "e.25,15
\n" ); document.write( "

Algebra.Com's Answer #599854 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"a%2Fb=3%2F2\" and \"%28a-5%29%2F%28b-5%29=5%2F3\".\r
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\n" ); document.write( "\n" ); document.write( "\"system%282a=3b%2C3%28a-5%29=5%28b-5%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%282a=3b%2C3a-15=5b-25%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%282a=3b%2C3a-5b=15-25%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%282a=3b%2C3a-5b=-10%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=2a%2F3\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3a-5%282a%2F3%29=-10\"
\n" ); document.write( "You can finish this...\r
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\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "\"9a-5%2A2%2Aa=-10%2A3\"\r
\n" ); document.write( "\n" ); document.write( "\"-a=-30\"\r
\n" ); document.write( "\n" ); document.write( "\"a=30\"-------but use this now to evaluate what is b.
\n" ); document.write( "\"b=20\"
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