document.write( "Question 1008688: two number have the ratio 3:4 if 5 is subtracted from each of the number the difference have ratio of 1:3 find the number \n" ); document.write( "
Algebra.Com's Answer #624259 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let numbers be \"x\" and \"y\"
\n" ); document.write( "two number have the ratio \"x%3Ay=3%3A4\" or \r
\n" ); document.write( "\n" ); document.write( "\"x%2Fy=3%2F4\"....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3y%2F4\".........eq.1\r
\n" ); document.write( "\n" ); document.write( "if \"5\" is subtracted from each of the number the difference have ratio of \"1%3A3\", we have\r
\n" ); document.write( "\n" ); document.write( "\"%28x-5%29%2F%28y-5%29=1%2F3\".........substitute \"x\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"%283y%2F4-5%29%2F%28y-5%29=1%2F3\"...solve for \"y\", cross multiply first\r
\n" ); document.write( "\n" ); document.write( "\"3%283y%2F4-5%29=1%2A%28y-5%29\"\r
\n" ); document.write( "\n" ); document.write( "\"9y%2F4-15=y-5\"\r
\n" ); document.write( "\n" ); document.write( "\"9y%2F4-y=15-5\"\r
\n" ); document.write( "\n" ); document.write( "\"9y%2F4-4y%2F4=10\"\r
\n" ); document.write( "\n" ); document.write( "\"5y%2F4=10\"\r
\n" ); document.write( "\n" ); document.write( "\"5y=40\"\r
\n" ); document.write( "\n" ); document.write( "\"y=40%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=8%29\"\r
\n" ); document.write( "\n" ); document.write( "go back to \"x=3y%2F4\".........eq.1 substitute in \"8\" for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3%2A8%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3%2Across%288%292%2Fcross%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3%2A2\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=6%29\"\r
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