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If n is divided by 7 the remainder is 3. What is the remainder if 3n is divided by 7?

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So, if n Divided by 7 = 3 , then n must be 21, because if you do 3 x 7 it equals 21, so now we know n is 21, then that means its 3 x 21 divided by 7 which is 9. Hope i helped ^-^
User Fahad Ishaque
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