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  2. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  3. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    A cake with one quarter (one fourth) removed. The remaining three fourths are shown by dotted lines and labeled by the fraction ⁠ 1 / 4 ⁠ A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain ...

  4. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    Using the example above: 16,499,205,854,376 has four of the digits 1, 4 and 7 and four of the digits 2, 5 and 8; since 4 − 4 = 0 is a multiple of 3, the number 16,499,205,854,376 is divisible by 3. Subtracting 2 times the last digit from the rest gives a multiple of 3.

  5. The monkey and the coconuts - Wikipedia

    en.wikipedia.org/wiki/The_monkey_and_the_coconuts

    If two divisions are done, a multiple of 5 · 5=25 rather than 5 must be used, because 25 can be divided by 5 twice. So the number of coconuts that could be in the pile is k · 25 – 4. k =1 yielding 21 is the smallest positive number that can be successively divided by 5 twice with remainder 1.

  6. Long division - Wikipedia

    en.wikipedia.org/wiki/Long_division

    3.5 Interpretation of decimal results. ... called the dividend, is divided by another, ... Each of the four columns is worked in turn. Starting with the miles: 50/37 ...

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  8. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    For instance, the numeral for 10,405 uses one time the symbol for 10,000, four times the symbol for 100, and five times the symbol for 1. A similar well-known framework is the Roman numeral system. It has the symbols I, V, X, L, C, D, M as its basic numerals to represent the numbers 1, 5, 10, 50, 100, 500, and 1000. [33]

  9. Social Security: How Much Will 2023 COLA Be Based on Latest ...

    www.aol.com/finance/social-security-much-2023...

    The August increase came on top of an 8.5% gain in July. ... August and September will be added together and divided by three to get the average. ... even an increase of 8.7% would be the largest ...