A and B are two multiples of 14, and Q is the set of consecutive integers between A and B, inclusive. If Q contains 12 multiples of 14, how many multiples of 7 are there in Q?
Choose the most appropriate option
A) 20  B) 21  C) 22  D) 23  E) 24
Halfway between the multiples of 14, there will be another multiple of 7.   The total number of multiples of 7 is  12+11= 
<gadget id="calculator"> 12+11</gadget>
<output>23</output>
23.   The answer is 23.
<result>D</result>
A and B are two multiples of 14, and Q is the set of consecutive integers between A and B, inclusive. If Q contains 12 multiples of 14, how many multiples of 7 are there in Q?