domingo, 8 de septiembre de 2013

HOMEWORK 9'6'2013

Carlos and Sarah are playing a game in which each player either wins, loses, or draws at each turn. The winner of a turn is awarded 5 points, the loser loses 5 points, and if it’s a draw 0 points are awarded. For the first 8 rounds Carlos had the following result: lose, win, lose, win, win, lose, win, and draw.
What is Sarah’s point total?  

Sarah’s wins: 3
Sarah’s losses: 4
Draws: 0

3x5= 15  -5x4= -20  15+(-20) = -5


Sarah’s point total is -5

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