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  2. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is: 50 / 100 × 40 / 100 = 0.50 × 0.40 = 0.20 = 20 / 100 = 20%. It is not correct to divide by 100 and use the percent sign at the same time; it would literally imply division by 10,000.

  3. Alcohol by volume - Wikipedia

    en.wikipedia.org/wiki/Alcohol_by_volume

    Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of how much alcohol is contained in a given volume of an alcoholic beverage (expressed as a volume percent ). [1] [2] [3] It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.5 imp fl oz; 3.4 US fl oz) of solution at 20 °C (68 °F).

  4. Alcohol proof - Wikipedia

    en.wikipedia.org/wiki/Alcohol_proof

    Thus pure 100% alcohol will have 100×(7 ⁄ 4) = 175 proof, and a spirit containing 40% ABV will have 40×(7 ⁄ 4) = 70 proof. The proof system in the United States was established around 1848 and was based on percent alcohol rather than specific gravity. Fifty percent alcohol by volume was defined as 100 proof.

  5. 50–40–90 club - Wikipedia

    en.wikipedia.org/wiki/50–40–90_club

    The 5040–90 club is a statistical achievement used to distinguish players as excellent shooters in the National Basketball Association (NBA), NBA G League, Women's National Basketball Association (WNBA), and men's college basketball. It requires a player to achieve the criteria of 50% field goal percentage, 40% three-point field goal ...

  6. Academic grading in South Africa - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_South...

    Code 7 (A+): 80% - 100%. Code 6 (A): 70% - 79%. Code 5 (B): 60 %- 69%. Code 4 (C): 50% - 59%. Code 3 (D): 40% - 49%. Code 2 (E): 30% - 39%. Code 1 (F): 0% - 29%. The OBE system, when in its experimental stages, originally used a scale from 1 - 4 (a pass being a 3 and a '1st class pass' being above 70%), but this system was considered far too ...

  7. Voter turnout in United States presidential elections - Wikipedia

    en.wikipedia.org/wiki/Voter_turnout_in_United...

    Note: The Bipartisan Policy Center has stated that turnout for 2012 was 57.5 percent of the voting-age population (VAP), [clarification needed] which they claim was a decline from 2008. They estimate that as a percent of eligible voters, turnout was: 2000, 54.2%; in 2004 60.4%; 2008 62.3%; and 2012 57.5%.

  8. Duty cycle - Wikipedia

    en.wikipedia.org/wiki/Duty_cycle

    The duty cycle is defined as the ratio between the pulse duration, or pulse width ( ) and the period ( ) of a rectangular waveform. Spectrum in relation to duty cycle. A duty cycle or power cycle is the fraction of one period in which a signal or system is active. [1] [2] [3] Duty cycle is commonly expressed as a percentage or a ratio.

  9. Usage share of operating systems - Wikipedia

    en.wikipedia.org/wiki/Usage_share_of_operating...

    Considering all personal computers, Microsoft Windows is well below 50% usage share on every continent, and at 30% in the US (24% single-day low) and in many countries lower, e.g. China, and in India at 19% (12% some days) and Windows' lowest share globally was 29% in May 2022 (25% some days), and 29% in the US.

  10. Percentile - Wikipedia

    en.wikipedia.org/wiki/Percentile

    Percentile. In statistics, a k-th percentile, also known as percentile score or centile, is a score below which a given percentage k of scores in its frequency distribution falls (" exclusive " definition) or a score at or below which a given percentage falls (" inclusive " definition). Percentiles are expressed in the same unit of measurement ...

  11. Obesity in the United States - Wikipedia

    en.wikipedia.org/wiki/Obesity_in_the_United_States

    Over 70 million adults in U.S. are obese (35 million men and 35 million women). 99 million are overweight (45 million women and 54 million men). [65] NHANES 2016 statistics showed that about 39.6% of American adults were obese. Men had an age-adjusted rate of 37.9% and Women had an age-adjusted rate of 41.1%.