Question

Joey has already taken 3 pictures at home, and he expects to take 1 picture during every

day of vacation. How many days will Joey have to spend on vacation before he will have
taken 13 pictures?

Answer 1

He has to spend 10 days on vacation, because he already took 3 pictures at home.

Answer 2

As he’s already taken 3, he only needs 10 more photos for 13. So he needs 10 days to get the rest