13. That's basic, basic math. Whatever your age, you should know that.

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

13. That's basic, basic math. Whatever your age, you should know that.

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

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