# Math Help - half of the number

1. ## half of the number

proof that half of the number is four.

2. Originally Posted by khotso
proof that half of the number is four.
What number?

3. let the number be 8,

then half of the number is 4

4. Hello, khotso!

Your problem makes no sense . . .

Prove that half of the number is four.

But I can prove that half of five is four: . ${\color{red}\rlap{/}}\text{F} \text{IV} {\color{red}\rlap{/}}\text{E} \;=\;\text{IV}$

5. the guestion was: proof that half of the number nine(9)
is four

6. Hello, khotso!

Finally . . . a corrected version of the problem!

Prove that half of nine is four.
Use toothpicks and Roman numerals.

Code:
      |   \     /
|    \   /
|     \ /
|      *          We have "nine".
|     / \
|    /   \
|   /     \

Code:
      |   \     /
|    \   /
|     \ /
- + - - -* - - -    "Half of nine"
|     / \
|    /   \
|   /     \

Code:
      |   \     /
|    \   /          "Four"
|     \ /
|      *

7. Originally Posted by Soroban
Hello, khotso!

Finally . . . a corrected version of the problem!

Use toothpicks and Roman numerals.

Code:
      |   \     /
|    \   /
|     \ /
|      *          We have "nine".
|     / \
|    /   \
|   /     \

Code:
      |   \     /
|    \   /
|     \ /
- + - - -* - - -    "Half of nine"
|     / \
|    /   \
|   /     \

Code:
      |   \     /
|    \   /          "Four"
|     \ /
|      *
ZOMG!!!!

8. Originally Posted by Soroban
Hello, khotso!

Finally . . . a corrected version of the problem!

Use toothpicks and Roman numerals.
Did you formally study toothpick analysis in school?

9. Actually, I majored in Toothpick Analysis
. . with a minor in Matchstick Theory.