document.write( "Question 681657: A class paid $20.00 for a cake and $4.00 per child for a slice of pizza.
\n" ); document.write( "They paid $140.00.
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Algebra.Com's Answer #422754 by rfer(16322) $\"\"$ $\"About$

You can put this solution on YOUR website!
(140-20)/4=30 \n" ); document.write( "

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