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Find number abc

If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist.

Correct answers: 21

The first user who solved this task is Nasrin 24 T.

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Trouble Sleeping

The woman seated herself in the psychiatrists office. "What seems to be the problem?" the doctor asked.
"Well, I, uh," she stammered. "I think I, uh, might be a nymphomaniac."
"I see," he said. "I can help you, but I must advise you that my fee is $80 an hour."
"That's not bad," she replied. "How much for all night?"

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Carl Auer, Freiherr von Welsbach

Born 1 Sep 1858; died 4 Aug 1929 at age 70.Carl Auer Freiherr (baron) von Welsbach was an Austrian chemist, physicist and engineer whose invention of the gas mantle greatly improved the brightness of light that could be obtained from gas lamps. While doing flame tests to examine the spectrum of certain rare earth compounds, he observed the small beads of test material on a platinum wire became white-hot and incandescent. He then had the idea to soak cotton webbing with a solution of the salts, then burn out the cotton leaving a matrix of the compound. His experiments began with slightly promising results with lanthanum oxide, then a mixture with magnesia. He also tried zirconium oxides and others before adding thorium oxide which made commercially viable mantles. His invention was adopted around the world wherever manufactured gas was available, meaning he had a profitable business improving and manufacturing them.«

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