Find number abc
[5488] Find number abc - If 66aba - c9b2b = 27c94 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 31 - The first user who solved this task is Nílton Corrêa De Sousa
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Find number abc

If 66aba - c9b2b = 27c94 find number abc. Multiple solutions may exist.
Correct answers: 31
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math
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Tenses

A teacher says, “Okay, class. Today we’re going to be talking about the tenses. If I say ‘I’m beautiful,’ which tense is it?”

Little Johnny raises his hand and says, “Obviously past tense, Miss.”

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Railroad car coupler

In 1897, a U.S. patent was issued to black American inventor, Andrew Jackson Beard for his invention of the "Jenny coupler," (U.S. No. 594,059). It does the dangerous job of hooking railroad cars together by simply allowing them to bump into each other, when "horizontal jaws engage each other to connect the cars." Beard's idea has probably saved countless lives and limbs. It remains in use today. He received $50,000 for the patent rights to the "Jenny Coupler." Beard was born a slave on a plantation in Alabama, shortly before slavery ended. He was a farmer, carpenter, blacksmith, a railroad worker, a businessman and finally an inventor. Beard's other patents included a steam driven rotary engine, and a double plow.
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