Hi,
For the question attached, the multiple choice answers are . I have tried:
, and . I can't get a numerical answer in .
Thanks
Let be the number of wins in the first half of the season and be the number of games played in the first half. Then by the definintion of average we get
Now we know the won three more games in the 2nd half, so their total number of wins is and the total number of games played is
This gives , but we know that so sub in and solve...