In order to find the answer to this, we need to combine the number of Fantasy books with the number of Adventure books. Directions/answer below:
10 (Fantasy) + (combined) 8 (Adventure) = 18.
Now, you subtract that number by the number of History books. Continuing:
18 - 6 = 12.
Your answer is 12.
If I confused something and got it wrong, please let me know, but I'm pretty sure this is the answer! Thank you!
