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# MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (2, 3, 5, 6, 11, 14, 36, 65, 66, 70, 74, 78) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A-B+C.
#brainteasers #math #magicsquare

### Efficiency Expert

An efficiency expert concluded his lecture with a note of caution. "You need to be careful about trying these techniques at home."

"Why?" asked somebody from the audience.

"I watched my wife's routine at dinner for years," the expert explained. "She made lots of trips between the refrigerator, stove, table and cabinets, often carrying a single item at a time.

One day I told her, 'Honey, why don't you try carrying several things at once?'

"Did it save time?" the guy in the audience asked.

"Actually, yes," replied the expert. "It used to take her 30 minutes to make dinner.

Now I do it in ten..."

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### Samuel Slater

Died 21 Apr 1835 at age 66 (born 9 Jun 1768).English-American mechanical engineer who founded the American cotton-textile industry. Before he left Nottingham and immigrating to the U.S. in 1789, Slater apprenticed with Jedediah Strutt (partner of Richard Arkwright) in England. Once in the U.S., he found backing to build Arkwright's spinning and carding machinery, with which he established the first successful cotton mill in the U.S. in Pawtucket, Rhode Island, as well as many others in the New England region.
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