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# Calculate the number 4575

NUMBERMANIA: Calculate the number 4575 using numbers [4, 7, 3, 3, 83, 955] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Llewellyn Samuels.
#brainteasers #math #numbermania
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### Smart Blonde

A girl came skipping home FROM school one day. "Mommy, Mommy," she yelled, "we were counting today, and all the other kids could only count to four, but I counted to 10. See? 1, 2, 3, 4, 5, 6,7, 8, 9, 10!"

"Very good," said her mother.

"Is it because I'm blonde, Mommy?"

"Yes, Honey, it's because you're blonde."

The next day the girl came skipping home FROM school. "Mommy, Mommy," She yelled, "we were saying the alphabet today, and all the other kids could only say it to D, but I said it to G. See? A,b, c, d, e, f, g!"

"Very good," said her mother.

"Is it because I'm blonde, Mommy?"

"Yes, Honey, it's because you're blonde."

The next day the girl came skipping home FROM school. "Mommy, Mommy," she yelled, "we were in gym class today, and when we showered, all the other girls had flat chests, but I have these!" And she lifted her tank top to reveal a pair of 36Cs.

"Very good," said her embarrassed mother.

"Is it because I'm blonde, mommy?"

"No, Honey, it's because you're 25."

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### Andrew J. Moyer

Died 17 Feb 1959 at age 59 (born 30 Nov 1899).Andrew Jackson Moyer was an American microbiologist who invented a method for mass-producing the antibiotic penicillin. While working for the US Agriculture Department laboratory (1940-57), he discovered a technique for antibiotic fermentation using continuous shaking of a culture broth of corn steep liquor (a by-product of the corn starch manufacturing process) and lactose. His method improved on prior methods producing 2 to 8 Oxford units/ml of broth, to in excess of 200 Oxford units/ml. By making possible the large-scale production of penicillin, the process is credited with saving thousands of lives during World War II. Corn steep liquor was adopted for other commercial fermentation processes making many other antibiotics, and the method is still in use today.«
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