Find number abc
[5633] Find number abc - If 818bc + b478a = 13cc38 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 31 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If 818bc + b478a = 13cc38 find number abc. Multiple solutions may exist.
Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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David Alan Grier: Stopped Smoking Reefer

I stopped smoking reefer because I started thinking, if great men throughout history had smoked reefer, no tellin what would have happened. Like if somebody like Martin Luther King Jr. had smoked reefer, he would have been giving speeches like, I had a dream, but the hell if I could remember what it was about. It was either about freedom or Fritos.
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Fluoridation

In 1967, the first fluoridation law in the U.S. went into effect in Connecticut, requiring fluoridation of public water supplies serving 20,000 or more population, to prevent dental caries. The water fluoridation era began in 1945 when the cities of Newburgh, New York, and Grand Rapids, Michigan, began adding sodium fluoride to their public water systems. This followed the work done (1930-1943) by Frederick S. McKay, a Colorado dentist, who related brown stains (mottling) on his patients' teeth to low dental caries due to the source of their drinking water containing high levels of naturally occurring fluoride. By the early 1940s, H. Trendley Dean had determined the ideal level of fluoride in drinking water to reduce decay without mottling.
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