How many 7 in between 1 to 110?	Choose the correct choice from the following choices:  A) 18  B) 21  C) 22  D) 23  E) 24
7,17,27,37,47,57,67,   70,71,72,73,74,75,76,77(two 7's),78,79,87,97,107   21 7's between 1 to 110   ANSWER:21
<result>B</result>
How many 7 in between 1 to 110?