Percent simply means "out of 100." Instead of saying it "he made 54 out of 100 shots," it is easier to say "he shot 54 percent from the field." The percentage of any number may be calculated by following just a few simpl...

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To calculate percentage, divide the number that is to be expressed as a percentage by the total or whole. The resulting number is then multiplied by 100 to obtain the percentage.

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Percentage calculations come into play in many real-world situations, such as determining how much to tip in a restaurant and figuring out the discounted prices of clothing. Here's how to do these calculations.

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An arithmetic sequence is a sequence of numbers where there is a definitive pattern between the consecutive terms of the series. In general, arithmetic sequences can be represented by x = a + d(n - 1).

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The square root of 1,600 is 40. The square root of any number can be determined by plugging it into the equation x times x equals y. Thus, for 1,600, the formula is 40 times 40 equals 1,600.

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Probably the most common math trick question are the "guess the number" tricks. It is broken down into five steps. Here is an example: First is to let anyone guess a number below ten, multiply it by two, add six and then...

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Other than simple inspection, the most basic methods for finding the functions underlying number patterns are common differences and common ratios. To find the common difference or the common ratio, subtract one term fro...

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