Question 15
In the following cryptarithm, all different letters stand for different digits. Find the sum (A + B + C).
$\overline{6A}+\overline{BC}=\overline{A09}$.
Each letter is one base-ten digit; A and B, as leading digits, are nonzero. Distinct letters have distinct digits.

$\overline{6A}+\overline{BC}=\overline{A09}$.
Each letter is one base-ten digit; A and B, as leading digits, are nonzero. Distinct letters have distinct digits.
