You have questions? We got answers!

Let x be a whole number. The remainder is 3 if x is divided by 7. What is the remainder if 3x is divided by 7?

Science & Mathematics by Anonymous 2018-06-16 22:33:16

Social Science

Let x be a whole number. The remainder is 3 if x is divided by 7. What is the remainder if 3x is divided by 7?

1 answer

  • Anonymous

    x/7 = n + 3/7 3x/7 = 3n+9/7 = (3n+1) + 2/7 Remainder = 2 [Check e.g x = 45 45/7 = 6 + Remainder 3 135/7 = 19 + Remainder 2] Answer 2

ReCapcha
Not a bot