GWD5-Q28(涛涛版和讨论要怎么对应啊?)

ddcat910

Q28:

Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper A, which of the following expresses r in terms of p?

 

A.     100p / (125 – p)

B.     150p / (250 – p)

C.     300p / (375 – p)

D.     400p / (500 – p)

E.      500p / (625 – p)

Answer: d

my answer is:

400p/(500-100p)

 

I can't find what's wrong with my answer?

 

thanks!

yaoyao99

Please post youe questions in 涛涛GWD-xx-yy format.  Thank you!  Not sure if there's a map between the original GWD and 涛涛's version.  You can try asking in 走出GMAT困境.

I agree with your answer.

ddcat910

谢谢一直是你在回答我的问题！

hitlzc

http://forum.chasedream.com/dispbbs.asp?BoardID=22&ID=86812

涛涛第5套——GIGI第6套，对应关系：题号按顺序对应。