iran-konkur 2022 Q146

iran-konkur · Other · konkur-riazi_1401_specialized Not Maths
146- If $x$ and $y$ are both natural numbers, how many solutions does the linear Diophantine equation $789 = 11y + 12x$ have?
(4) $6$ (3) $5$ (2) $4$ (1) $3$
\textbf{146-} If $x$ and $y$ are both natural numbers, how many solutions does the linear Diophantine equation $789 = 11y + 12x$ have?

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(4) $6$ \hfill (3) $5$ \hfill (2) $4$ \hfill (1) $3$

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