Calculate the number 9071
[8098] Calculate the number 9071 - NUMBERMANIA: Calculate the number 9071 using numbers [9, 9, 2, 9, 58, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 9071

NUMBERMANIA: Calculate the number 9071 using numbers [9, 9, 2, 9, 58, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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Half-Fare Special

One of the airlines recently introduced a special half-fare rate for wives accompanying their husbands on business trips.
Anticipating some valuable testimonials, the publicity department of the airline sent out letters to all the wives of businessmen who used the special rates, asking how they enjoyed their trip.
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In 1899, a gas burner was patented by Benjamin F. Jackson, a black American inventor (No. 622,482). His design improved the equal distribution of air under pressure to ensure more complete combusion of the fuel gas. He assigned the patent to Robert Hoe, Theodore Mead and Charles Carpenter of New York City. The previous year, he took out patents on a "Heating Apparatus" and a "Matrix Drying Apparatus."[Image: gas burner vertical section and plan views]
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