Difference between revisions of "2001 AIME I Problems/Problem 2"

(AIME box)
m
Line 1: Line 1:
 
== Problem ==
 
== Problem ==
 +
A finite set <math>\mathcal{S}</math> of distinct real numbers has the following properties: the mean of <math>\mathcal{S}\cup\{1\}</math> is <math>13</math> less than the mean of <math>\mathcal{S}</math>, and the mean of <math>\mathcal{S}\cup\{2001\}</math> is <math>27</math> more than the mean of <math>\mathcal{S}</math>. Find the mean of <math>\mathcal{S}</math>.
  
 
== Solution ==
 
== Solution ==
 +
{{solution}}
  
{{AIME box|year=2001|num-b=1|num-a=3}}
+
== See Also ==
 +
{{AIME box|year=2001|n=I|num-b=1|num-a=3}}

Revision as of 23:19, 19 November 2007

Problem

A finite set $\mathcal{S}$ of distinct real numbers has the following properties: the mean of $\mathcal{S}\cup\{1\}$ is $13$ less than the mean of $\mathcal{S}$, and the mean of $\mathcal{S}\cup\{2001\}$ is $27$ more than the mean of $\mathcal{S}$. Find the mean of $\mathcal{S}$.

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See Also

2001 AIME I (ProblemsAnswer KeyResources)
Preceded by
Problem 1
Followed by
Problem 3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions