A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is?	Choose the correct choice from the following answers:	A) 1	B) 2	C) 6	D) 8	E) 9
Let the ten's and unit digit be x and 8 respectively.   x   Then, 10x + 8 + 18 = 10 x 8 + x   x x   10x2 + 8 + 18x = 80 + x2   9x2 + 18x - 72 = 0   x2 + 2x - 8 = 0   (x + 4)(x - 2) = 0   x = 2   Option 2
<result>B</result>
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is?