Search found 4 matches
Thank you so much, amissing6!
I just have 1 question. When it says K and M are integers, does it means K and M can be negative or 0?
- by Panaac
Mon Jun 21, 2010 10:02 am- Forum: Problem Solving
- Topic: Arithmetic mean problem
- Replies: 8
- Views: 7998
Arithmetic mean problem
Can someone please solve this problem for me?
3 K 2 8 M 3
The arithmetic mean of the list of numbers above is 4. If K and M are integers, and K ≠M, what is the median of the list?
a) 2
b) 2.5
c) 3
d) 3.5
e) 4
The answer is C.
- by Panaac
Mon Jun 21, 2010 9:40 am- Forum: Problem Solving
- Topic: Arithmetic mean problem
- Replies: 8
- Views: 7998
- by Panaac
Sat Jun 19, 2010 2:00 pm- Forum: Problem Solving
- Topic: Percentage change
- Replies: 2
- Views: 1102
Percentage change
From 1980-1990, the population increased by 6%. From 1991-2000, it decreased by 3%. What was the overall percentage change in the population from 1980 - 2000?
A. +2.82
B. +1.86
C. +0.70
D. - 0.84
E. -1.6
The answer is A
- by Panaac
Sat Jun 19, 2010 1:44 pm- Forum: Problem Solving
- Topic: Percentage change
- Replies: 2
- Views: 1102