In basketball, the Falcons won 15 of their first 20 games. In order to win 60% of the total number of games, how many more games will they have to play, assuming they win only half of the remaining games?
I got 30 but my teacher says its not right

Question

In basketball, the Falcons won 15 of their first 20 games.  In order to win  60% of the total number of games, how many more games will they have to play, assuming they win only half of the remaining games?
I got 30 but my teacher says its not right

anonymous · Answer

she gave me 75% of 20 + %50 of (x -20) = 60% of x
I'm a little confused

radar · Answer

What is the number of total games that will be played?

anonymous · Answer

I got 30 for my answer but my teacer says that isn't right

radar · Answer

Your teacher is right, it ain't 30.  The problem states they are to play 20 games.  Review the first sentence.

anonymous · Answer

so it would be 60% of 20?

radar · Answer

Yes, now you will have to round off.  To compute the number of games, remember they have already won 15

radar · Answer

Show me your answer please.

anonymous · Answer

would it be 7?  I am really confused

radar · Answer

As I am confused as they have already won enough and then some.  Looks like the could lose the remaining 5 and still beat the 60 percent.

anonymous · Answer

my teacher gave me this 75% of 20 + 50% of (x - 20) = 60 of x

anonymous · Answer

i think the answer is 5,  I will try that.  Thank you for your help!!!