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A robber came into my store ...

A robber came into my store and stole $100 from the register without my knowledge. A few minutes later, the same guy came back with the $100 he stole and purchased $70 worth of items and I gave him $30 in change. How much money did I lose?

Correct answers: 102

The first user who solved this task is Thinh Ddh.

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Jeff Dunham: Difficulty in Being Politically Correct

Jeff Dunham: Youre afraid of offending people?
Achmed: Yeah.
Jeff Dunham: Youre a terrorist. You kill people.
Achmed: Thats different. Killing people is easy; being politically correct is a pain in the ass.

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John Holter

Born 1 Apr 1916; died 22 Dec 2003 at age 87.American inventor of a pioneering valve used in the treatment of hydrocephalus (“water on the brain”). Shortly after birth (1955), his son suffered from hydrocephalus. Holter learned from surgeons Eugene Spitz and Frank Nulsen that a suitable valve to drain fluid from the brain could maintain normal cranial pressure. To save his son, Holter invented a pressure-sealing valve made from silicone to avoid clogging problems. He subsequently refined and patented the device. Spitz and Holter set up a company to manufacture the shunts using Silastic silicone. The Spitz-Holter valve has helped millions around the world since the late 1950s. Holter later created other medical devices, including dialysis pumps, artificial heart valves and finger tendons.«[Image: Schematic of placement of drainage tube with valve seen placed subcutaneously beside ear.]

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