Find number abc
If 47abb + 86bba = 1c4a8b find number abc. Multiple solutions may exist.Correct answers: 64
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Richard PoughBorn 19 Apr 1904; died 24 Jun 2003 at age 99.American ecologist who was founding president of the Nature Conservancy (1950), one of the nation's largest environmental organizations. He later helped develop the World Wildlife Fund. His training was in chemical engineering, but his lifelong passion was the outdoors. In the 1930s, he persuaded a New York socialite to raise money to buy Hawk Mountain, Pennsylvania, as a bird sanctuary to protect the hawks from devastation by hunters. In 1945, in the New Yorker magazine, he was one of the first to warn that DDT could drive fish, frogs, and birds extinct. He also fought for a law that banned the sale of rare-bird feathers for women's hats. He wrote the Audubon Bird Guide. |