Difference between revisions of "2010 UNCO Math Contest II Problems/Problem 6"

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== See also ==
 
== See also ==
{{UNC Math Contest box|year=2010|n=II|num-b=5|num-a=7}}
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{{UNCO Math Contest box|year=2010|n=II|num-b=5|num-a=7}}
  
 
[[Category:Intermediate Algebra Problems]]
 
[[Category:Intermediate Algebra Problems]]

Revision as of 20:31, 19 October 2014

Problem

$A$ is a $4$-digit number $abcd$. $B$ is a $5$-digit number formed by augmenting $A$ with a $3$ on the right, i.e. $B=abcd3$.

$C$ is another $5$-digit number formed by placing a $2$ on the left $A$, i.e. $C=2abcd$. If $B$ is three times $C$, what is the number $A$?


Solution

See also

2010 UNCO Math Contest II (ProblemsAnswer KeyResources)
Preceded by
Problem 5
Followed by
Problem 7
1 2 3 4 5 6 7 8 9 10
All UNCO Math Contest Problems and Solutions