document.write( "Question 804641: \"How many cups of lemon juice must be added to a 20 cup punch bowl that is 15% lemon juice to make lemonade that is 30% lemon juice?\" \n" ); document.write( "
Algebra.Com's Answer #484839 by Alan3354(69443)\"\" \"About 
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\"How many cups of lemon juice must be added to a 20 cup punch bowl that is 15% lemon juice to make lemonade that is 30% lemon juice?\"
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\n" ); document.write( "Add x cups
\n" ); document.write( "20*15 + 100x = 30*(20 + x)
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