Question

simone and nang read a total of 23 books over the summer. simone read 5 more books than nang. enter the number of books nang read.

Answer 1

Nang read 23 books because 23 - 5 = 18, divide that by two (to get books read for both of them).
9 + 5 = 14, so Simone read 14 books,
9 = Amount of books Nang read.

Hope this helps.

Answer 2

The answer is 9. I just found out a few second ago