Answer:

Paul: 4( 130 ) + 3( 0 ) + 2( 250 ) + 1( 120 ) =
Rita: 4( 0 ) + 3( 500 ) + 2( 0 ) + 1( 0 ) =
Sarah: 4( 150 ) + 3( 0 ) + 2( 250 ) + 1( 100 ) =
Tim: 4( 220 ) + 3( 0 ) + 2( 0 ) + 1( 280 ) =

 

Notice that each column of numbers in parentheses must always add up to the total number of voters (500, in this case). When you are doing these problems, always check to see that this is so; it may help you to catch a careless error!

 

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