How many 7 in between 1 to 120?

How many 7 in between 1 to 120?

Quiz

Answer/Solution

22

Steps/Work

7,17,27,37,47,57,67,
70,71,72,73,74,75,76,77(two 7's),78,79,87,97,107,117
22 7's between 1 to 120
ANSWER:C

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