If x is divided by 7, the remainder is 5. What is the remainder if 4x is divided by 7? Choose one:
A) 1 B) 2 C) 4 D) 6 E) 8
x=7q+5   4x=7*4q+20   4x=7*4q+7*2+6   4x=7(4q+2)+6   4x=7k+6 (k=4q+2)   Answer 6
<result>D</result>
If x is divided by 7, the remainder is 5. What is the remainder if 4x is divided by 7?