Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 468
The first user who solved this task is Donya Sayah30.
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William Crawford GorgasDied 3 Jul 1920 at age 65 (born 3 Oct 1854).Major William Crawford Gorgas was a U.S. Army surgeon who contributed greatly to the building of the Panama Canal by introducing mosquito control to prevent yellow fever and malaria. Originally, Gorgas doubted the conclusion of Walter Reed's Yellow Fever Commission in Cuba (1900) that the mosquito was the only means by which the disease spread. Nevertheless, Gorgas supported the new policy and eventually became the most active proponent of the mosquito theory in the United States. In Cuba, he assisted in eliminating mosquito breeding grounds. In 1904, Gorgas led the ten-year anti-mosquito campaign to wipe out yellow fever in Panama. |