13. That's basic, basic math. Whatever your age, you should know that.
what is 8 1/2" + 4 1/2"?
13..........
13 inches, or 1 foot 1 inch.
13" or 1'1"
I hate math this is killing my brain
8 1/2 + 4 1/2Rewrite this as-
8 + 4 + 1/2 + 1/2
= 8 + 4 +1
= 13
