document.write( "Question 242121: OK i need help with this question just on how to set it up-\r
\n" ); document.write( "\n" ); document.write( "A man combines 7 fl oz of oil with 4 fl oz of vinegar. One day he needed a larger amount, so he used 8 fl oz of oil. How much vinegar did he need?\r
\n" ); document.write( "\n" ); document.write( "please show me how to set it up into a proportion!!!
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Algebra.Com's Answer #177236 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
7/4=8/x cross multiply.
\n" ); document.write( "7x=4*8
\n" ); document.write( "7x=32
\n" ); document.write( "x=32/7
\n" ); document.write( "x=4.57 oz. of vinegar are needed.
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