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Wednesday, May 16, 2012

The Unsolvable Math Problem: Solved

There is a math problem that has been confusing folks for years - to the point that many have called the science of math flawed. I recently sat down with a calculator, and figured out the answer to it.
Here is the math problem: Three guys decide to rent a small boat for the day for $15. - Each person pays $5 After some time, the owner of the boat feels bad for charging $15 for such a small boat, so he gives his son $5 to give back to the guys. - The son figures that three guys can't split $5, so he keeps $2, and gives them back $3. Since each person payed $5 originally, and they received $1 back, that means they payed $4 each. Now since they only paid $4 each, that means that they paid $12 total. The boy kept $2, so that makes the total $14. | 5 - 1 = 4 | 4 * 3 = 12 | 12 + 2 = 14 | Were did $1 go to ?
The answer to this is a bit harder than one would think. The key to the problem is, the division of the refund was done incorrectly. The refund was $5, meaning each person would have received $1.66, and the boy would have kept $0.66 from each person. This means that each person paid, after discount, $3.33 each. | 5 - 1.66 = 3.33 | 3.33 x 3 = 10 | 1.66 X 3 = 5 | 10 + 5 = 15 |

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