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  2. Vigesimal - Wikipedia

    en.wikipedia.org/wiki/Vigesimal

    In a vigesimal place system, twenty individual numerals (or digit symbols) are used, ten more than in the decimal system. One modern method of finding the extra needed symbols is to write ten as the letter A, or A 20, where the 20 means base 20, to write nineteen as J 20, and the numbers between with the corresponding letters of the alphabet.

  3. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    A reference value above which visual acuity is considered normal is called 6/6 vision, the USC equivalent of which is 20/20 vision: At 6 metres or 20 feet, a human eye with that performance is able to separate contours that are approximately 1.75 mm apart. [9] Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better ...

  4. We call ourselves 20-40-60. How an intergenerational friend ...

    www.aol.com/call-ourselves-20-40-60-224741014.html

    The three of us affectionately call ourselves “20-40-60,” an homage to our respective ages — 23, 45 and 60. ... How is it that they know me better than my lifelong friends?

  5. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    Three lines above, the letters have twice the height of those letters on the 6/6 (or 20/20 in the US) line. If this is the smallest line a person can read, the person's acuity is "6/12" ("20/40"), meaning that this person needs to approach to a distance of 6 metres (20 ft) to read letters that a person with normal acuity could read at 12 metres ...

  6. Battle of the ages: 20 vs 30 - AOL

    www.aol.com/lifestyle/2015-04-10-whats-the...

    20 years old vs 30 years old. The great debate. For premium support please call: 800-290-4726 more ways to reach us

  7. 70/30 vs. 80/20 Asset Allocation: Which Is Better? - AOL

    www.aol.com/finance/70-30-vs-80-20-183231693.html

    With a 60/40 portfolio, 60% of assets are allocated to stocks while 40% are allocated to bonds. A 70/30 portfolio generally entails more risk than a 60/40 split as there’s a larger allocation to ...

  8. Greater-than sign - Wikipedia

    en.wikipedia.org/wiki/Greater-than_sign

    The greater-than sign is a mathematical symbol that denotes an inequality between two values. ... Feb 20 2021, 18:40:11) [GCC 10.2.0] on linux Type "help", ...

  9. 70/20/10 Saving Rule: Is This One a Better Fit for You? - AOL

    www.aol.com/finance/70-20-10-saving-rule...

    He notes that the categories for these two methods are slightly different: The 70/20/10 way involves putting 70% of your earnings to living expenses, 20% to savings and 10% to debt or charity.