1989 AJHSME Problems/Problem 17
From AoPSWiki
Problem
The number 
is between 
and 
. The average of 
, 
, and could be
Solution
We know that 
and we wish to bound 
.
From what we know, we can deduce that 
, and thus 
The only answer choice that falls in this range is choice 
See Also
| 1989 AJHSME (Problems • Resources) | ||
| Preceded by Problem 16 | Followed by Problem 18 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
