The category I'm afraid I'm unsure of but please, if you didn't understand my question correctly, then this is what i mean:
NUMBER STORIES FOR 169
168 + 1
84 1/2 + 84 1/2 - 100 + 200 = 300 - 400
etc
PLEASE THIS IS URGENT HOMEWORK DUE TOMMORROW!!!!
Thankyou for actually reading this and/or answering it!