document.write( "Question 599758: 3 people have 1 cake to share equally. then a 4th person comes along and each person gives him a piece of their share so that 4 of them get an equal share. how much does each person give \n" ); document.write( "
Algebra.Com's Answer #379069 by edjones(8007)\"\" \"About 
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Let x = the amount that each person gives.
\n" ); document.write( "3x=1/4 of the cake.
\n" ); document.write( "x=1/12 of the cake.
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