Math Charades

Add 13. Multiply by 5. Add the “day” of your birthday (for example February 15 the day would be 15) Subtract 205 . What do you see? 13 – An Especially Annoying . and Unlucky Number! Pick any 3 digit number between 100 and 999. Enter that number into your calculator twice - So if you picked 146, the calculator will read 146,146. Divide by ... ................
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