document.write( "Question 720392: The question is\r
\n" ); document.write( "\n" ); document.write( "5/B = 8/10\r
\n" ); document.write( "\n" ); document.write( "b= what\r
\n" ); document.write( "\n" ); document.write( "Trying to help my son with homework and this one has us both stuck. Help would be appreciated so I can explain it and help him get the right answer himself. \n" ); document.write( "
Algebra.Com's Answer #441837 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
\"5%2FB\" = \"8%2F10\"
\n" ); document.write( "When you have a single fraction on either side of the equal sign, just:
\n" ); document.write( "Cross multiply and you have
\n" ); document.write( "8B = 5*10
\n" ); document.write( "8B = 50
\n" ); document.write( "divide both sides by 8
\n" ); document.write( "B = 50/8
\n" ); document.write( "B = 6.25
\n" ); document.write( ":
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\n" ); document.write( "YOu can prove this to yourself, on a calc
\n" ); document.write( "5/6.25 = .8
\n" ); document.write( "8/10 = .8, equality reigns! \n" ); document.write( "
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