2010 UNCO Math Contest II Problems/Problem 6
(Redirected from 2010 UNC Math Contest II Problems/Problem 6)
Problem
is a 
-digit number 
. 
is a 
-digit number formed by augmenting with a 
on the right, i.e.
.
is another -digit number formed by placing a 
on the left , i.e. 
. If is
three times , what is the number ?
Solution
What this problem is basically saying is that 
. This can be simplified to 
.
See also
| 2010 UNCO Math Contest II (Problems • Answer Key • Resources) | ||
| 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 | ||
