1980 USAMO Problems/Problem 1

Revision as of 11:01, 5 October 2012 by 1=2 (talk | contribs) (Created page with "== Problem == A balance has unequal arms and pans of unequal weight. It is used to weigh three objects. The first object balances against a weight <math>A</math>, when placed in ...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

A balance has unequal arms and pans of unequal weight. It is used to weigh three objects. The first object balances against a weight $A$, when placed in the left pan and against a weight $a$, when placed in the right pan. The corresponding weights for the second object are $B$ and $b$. The third object balances against a weight $C$, when placed in the left pan. What is its true weight?

Solution

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

See Also

1980 USAMO (ProblemsResources)
Preceded by
First Question
Followed by
Problem 2
1 2 3 4 5
All USAMO Problems and Solutions