Is shd be D
A = S/n
From stem A = 11x+ 55/11
From 1 A = 9x+36/9 we know A = 7 so we can find x
From 2 A = 9x +54/9 we knoe A = 9 we can find x
PREP ?
This topic has expert replies
Source: Beat The GMAT — Data Sufficiency |
-
sujaysolanki
- Master | Next Rank: 500 Posts
- Posts: 214
- Joined: Wed Nov 14, 2007 6:30 am
- Thanked: 15 times
