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For The Mathematically Inclined

Anil Saigal
03/16/2008

FOR STUDENTS

PROBLEM # 1
A mixture containing 6% salt is to be mixed with 2 ounces of a mixture which is 15% salt, in order to obtain a solution which is 12% salt. How much of the first solution must be used?

FOR GROWNUPS 

PROBLEM # 2
Let tex2html_wrap_inline168 . Conclude that tex2html_wrap_inline172.

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Problem Solutions 03/06/08

FOR STUDENTS

PROBLEM # 1
Suppose you deposit $6000 in a bank and receive 4% per year compound interest for 7 years, compounded monthly. Find the amount after 7 years.

Solution:
$7936.44.

FOR GROWNUPS 

Compute tex2html_wrap_inline131.

Solution: 
-1/6.


Congratulations to
Aseem Chandawarkar, Sitaram Chandawarkar, Shailesh Goregaokar, Prabhakar Nadkarni and Hari Pillai, who were winners of the last set of puzzles.



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