If the remainder is 16 when the integer n is divided by 30, what is the remainder when 2n is divided by 15?	Options: A) 0 B) 2 C) 4 D) 6 E) 8
n = 30k+16   2n = 2(30k+16) = 4k*15 + 32 = 4k*15 + 2*15 + 2 = 15j + 2   The answer is 2.
<result>B</result>
If the remainder is 16 when the integer n is divided by 30, what is the remainder when 2n is divided by 15?