The integer x is divisible by both 9 and 36. Which of the following must be an integer?  Answers:
A) x/16  B) x/36  C) x/25  D) x/46  E) x/24
Prime factorization of 9 = 3^2   Prime factorization of 36= 3^2*2^2   LCM of 9 and 36 = 3^2 * 2^2 = 36   Therefore x/36 must be an integer   Answer x/36
<result>B</result>
The integer x is divisible by both 9 and 36. Which of the following must be an integer?