If the remainder is 10 when the integer n is divided by 18, what is the remainder when 2n is divided by 9? Choose the correct choice from the following choices
A) 0 B) 1 C) 2 D) 3 E) 4

Rationale: "n = 18 k + 10 2 n = 2 ( 18 k + 10 ) = 4 k * 9 + 20 = 4 k * 9 + 2 * 9 + 2 = 9 j + 2 the answer is c ."
Answer: C