In a competition, 5 points were awarded for each game won and 2 points were deducted for each game lost.A pupil attempted 15 games and got 54 points.How many games did the pupil win?
I like it...the methord given..is ok..thank you guyz
5w-2(15-w)=54
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Let x be the no,of games won , game lost 15-x , point awarded, incase he win all,the game,he could have scored,15x5 =75,point penalized =75-54=21, penalty point 5awarded+2deducted=7point ,divide 21 by8=3=therefore he lost 3games and won 12games