37.3k views
4 votes
How many 2-digit numbers have the digit 7 at least once?

User Ctrlz
by
7.1k points

2 Answers

5 votes
I think the answer is 19
User Finley
by
7.6k points
2 votes

Answer:

18. There are 18 two-digit numbers containing 7.

User Juergen Klasen
by
7.6k points