gmat prep averages
This topic has expert replies
-
- Master | Next Rank: 500 Posts
- Posts: 294
- Joined: Tue Feb 26, 2008 9:05 pm
- Thanked: 13 times
- Followed by:1 members
Let's assume m=males; w=females
So from stem 1: m+f=4,000
Two variables one equation , not sufficient !
From stem 2 : 3m+5w=15,000
again two variables and one equation , so not sufficient to solve.
Since we know the no. of variables should be having the same no. of equations to solve the values for each variable, combination would solve for variable/s value/s.
Hence C is ans.
So from stem 1: m+f=4,000
Two variables one equation , not sufficient !
From stem 2 : 3m+5w=15,000
again two variables and one equation , so not sufficient to solve.
Since we know the no. of variables should be having the same no. of equations to solve the values for each variable, combination would solve for variable/s value/s.
Hence C is ans.