If 3^x*4^y = 531,441 and x – y = 12, then x = ?
Choose the correct choice from the following options: A) 10 B) 11 C) 12 D) 13 E) 14
Since 531,441 is an odd number, it is not a multiple of 4.   This means that y must equal zero.   Since x - y = 12 and y = 0, then x = 12.   The answer is 12.
<result>C</result>
If 3^x*4^y = 531,441 and x – y = 12, then x = ?