If $$a$$ and $$b$$ are positive integers, what is the greatest common divisor of $$a$$ and $$b?$$

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If $$a$$ and $$b$$ are positive integers, what is the greatest common divisor of $$a$$ and $$b?$$

by Gmat_mission » Wed Feb 23, 2022 8:40 am

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If $$a$$ and $$b$$ are positive integers, what is the greatest common divisor of $$a$$ and $$b?$$

(1) $$a+3b=61$$

(2) $$5a-b=1$$