document.write( "Question 686599: Three sevenths of the pizza was eaten.what percent of the pizza was not eaten? \n" ); document.write( "
Algebra.Com's Answer #424858 by josmiceli(19441)\"\" \"About 
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the whole pizza = 1
\n" ); document.write( "1 = 7/7
\n" ); document.write( "( whole pizza ) - ( portion that is eaten ) = ( portion not eaten )
\n" ); document.write( "7/7 - 3/7 = 4/7
\n" ); document.write( "4/7 of the pizza was not eaten
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