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Find number abc

If 6b9c4 - 1a7ac = 4c169 find number abc. Multiple solutions may exist.

Correct answers: 0

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The most romantic story

The most romantic story isn't Romeo and Juliet who died together, but Grandma and Grandpa who grew old together.

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John Mayow

Born 24 May 1640; died Sep 1679 . English physiologist and chemist who, about a hundred years before Joseph Priestley and Antoine-Laurent Lavoisier, identified spiritus nitroaereus (oxygen) as a distinct atmospheric entity. He further recognized the role of oxygen in the combustion of metals. His medical writings include a remarkably correct anatomical description of respiration.[Date of birth 24 May 1640 given by EB and Chambers Dict. of Sci., but DSB gives Dec 1641. Date of death Sep 1679 given by Chambers and DSB but EB gives Oct 1679.]

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