WHEN THE POSITIVE INTEGER 𝑥𝑥 IS DIVIDED BY 6, THE REMAINDER IS 3. W...

5. - DE THI TOAN QUOC TE KANGAROO NAM 2016 LOP 9 10 CO DAP AN DE TIENG ANH
DE THI TOAN QUOC TE KANGAROO NAM 2016 LOP 9 10 CO DAP AN DE TIENG ANH

5. When the positive integer 𝑥𝑥 is divided by 6, the remainder is 3. What is the remainder when 3𝑥𝑥 is

divided by 6?

(A) 4 (B) 3 (C) 2 (D) 1 (E) 0