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2021 JMPSC Accuracy Problems/Problem 7

Revision as of 20:24, 10 July 2021 by Samrocksnature (talk | contribs) (Created page with "==Problem== If <math>A</math>, <math>B</math>, and <math>C</math> each represent a single digit and they satisfy the equation <cmath>\begin{array}{cccc}& A & B & C \\ \times &...")
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Problem

If $A$, $B$, and $C$ each represent a single digit and they satisfy the equation \[\begin{array}{cccc}& A & B & C \\ \times & & &3 \\ \hline & 7 & 9 & C\end{array},\] find $3A+2B+C$.

Solution

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