In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak.  This team raised its average to 50%. How many games must the team have won in a row to attain this average?A. 12B. 20C. 24D. 30

C

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Siddhesh Wagle

  • Jun 16th, 2006
 

(18+x)/(60+x) = 50

x = 24

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satyapm10

  • Aug 22nd, 2010
 

Now given the baseball team had played 60 games.
and won 30%
then 60*(30/10)=18
now after a phenomenal winning is the average to 50%
now team players the y, ok the increases the 50% then


60+y)*50/100=18+y
(60+y)/2=18+y
60+y=36+2y
24=y
Ans is y=24


by Satyaprakash Mishra


gamak

  • Jul 29th, 2016
 

24

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orko abir

  • Feb 19th, 2017
 

You might obliviously missed to place 100 as denominator of 50.

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