Party Trick
Want to guess your partner’s age
and height?
Have them do the
following:
1. Write
down their age
2. Multiply
it by 2
3. Add
5
4. Multiply
this sum by 50
5. Subtract
365
6. Add
their height (in inches)
7. Add
115
8. Tell
you the 4 digit result
Q1) What is your partner’s age?
Hint: what are the first 2 digits of the 4 digit result?
Q2) What is your partner’s height? Hint: what are the last 2 digits of the 4
digit result?
Q3) Why does it work? Hint:
write it out as an equation, then simplify
Let a = your age
h
= your height
(2a + 5)50 – 365 + h + 115 =
--
Show me your work, correctly interpret your result & receive a Fibonacci
Point