If the least common multiple of two prime numbers x and y is 10, where x < y, then the value of 3x + y is	Select:
A) 7 B) 9 C) 11 D) 12 E) 21
LCM (x,y) = 10 and both x an y are prime.   The only values of x and y can be 2 and 5 (x = 2 and y = 5)   3x + y = 3*2 + 5= 
<gadget id="calculator">3*2 + 5</gadget>
<output>11</output>
11   11orrect Option: 11
<result>C</result>
If the least common multiple of two prime numbers x and y is 10, where x < y, then the value of 3x + y is