1989 AJHSME Problems/Problem 17
Revision as of 20:11, 8 June 2009 by 5849206328x (talk | contribs) (New page: ==Problem== The number <math>\text{N}</math> is between <math>9</math> and <math>17</math>. The average of <math>6</math>, <math>10</math>, and <math>\text{N}</math> could be <math>...)
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 • Answer Key • Resources) | ||
Preceded by Problem 16 |
Followed by Problem 18 | |
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