Find number abc
If ba53b + c573a = 7c2cb find number abc. Multiple solutions may exist.Correct answers: 9
#brainteasers #math
Yellow fever vaccineIn 1932, a vaccine was announced for yellow fever for human immunization. This first public announcement was made at a meeting of the American Societies for Experimental Biology at Philadelphia, Pennsylvania. It was developed by Drs. Wilbur A. Sawyer, Wray D.M. Lloyd, and Stuart F. Kitchen, who were sponsored by the Rockefeller Foundation. |