document.write( "Question 323155: Amanda needs a mixture of 20.16% oats and 79.8% corn. She currently has 28 pounds
\n" ); document.write( "of a mixture of 90% oats. How many pounds of corn should be added to the mixture?
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Algebra.Com's Answer #231335 by josmiceli(19441)\"\" \"About 
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Let \"c\" = pounds of corn she needs to add
\n" ); document.write( "given:
\n" ); document.write( "\".9%2A28+=+25.2\" pounds of oats
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\n" ); document.write( "Note that \".2016+%2B+.798+=+.9996\", so there
\n" ); document.write( "is .04% of something else
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\n" ); document.write( "(oats)/(oats + corn) = 20.16%
\n" ); document.write( "\"25.2%2F%2828+%2B+c%29+=+.2016\"
\n" ); document.write( "\"25.2+=+.2016%2A%2828+%2B+c%29\"
\n" ); document.write( "\"25.2+=+5.6448+%2B+.2016c\"
\n" ); document.write( "\".2016c+=+19.5552\"
\n" ); document.write( "\"c+=+97\"
\n" ); document.write( "She should add 97 pounds of corn
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