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Calculate the number 4730

NUMBERMANIA: Calculate the number 4730 using numbers [3, 2, 7, 8, 19, 917] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 10

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

#brainteasers #math #numbermania

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My Cheating Letters

My girlfriend is furious with me because she found a bunch of hidden letters that revealed I was cheating on her.
Now she refuses to play Scrabble at all.

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First U.S. Patent

In 1790, the first U.S. patent was granted to Samuel Hopkins of Vermont for a process for making potash and pearl ashes. Potash was important as an ingredient in soap and fertilizer. The patent was granted for a term of 14 years and signed by President George Washington, who had the previous month signed the first U.S. patent statute into law on 10 April 1790. Hopkins did not get Patent with a serial No.1 as thousands of patents were issued before the Patent Office began to number them. Congress had passed the Patent Act on 10 Apr 1790. Two other patents were granted that year - one for a new candle-making process and the other the flour-milling machinery of Oliver Evans. The next year, 1791, Samuel Hopkins also was granted the first Canadian patent.«

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