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MATH PUZZLE: Can you replace the question mark with a number?
If 29ca3 + 29ba3 = a880c find number abc. Multiple solutions may exist.

Arthur Martin Vineberg

Died 26 Mar 1988 at age 84 (born 24 May 1903).Canadian heart surgeon, noted chiefly for his development, in 1950, of a surgical procedure for correction of impaired coronary circulation. In the Vineberg operation one end of an artery in the chest, called the internal mammary artery, is freed up. The side branches to the artery, like tributaries flowing off a river, are cut to allow blood to flow freely from them. The artery then is snaked under the surface of the heart muscle, and each time the heart beats, blood from the branches oozes into the heart muscle, nourishing it. Over time new vessels grow and supply blood to the myocardium. The first clinical procedure was carried out at the Royal Victoria Hospital in Montreal in 1950. Modern bypass surgery pre-empted it in the 1960s.

Boy Scouts

Boy Scouts from the city were on a camping trip. The mosquitoes were so fierce, the boys had to hide under their blankets to avoid being bitten. Then one of them saw some lightning bugs and said to his friend,

"We might as well give up. They are coming after us with flashlights."

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