Titlebook: Business Arithmetic; Harold Ward Textbook 1977Latest edition Harold Ward 1977 arithmetic.business.business mathematics.mathematics

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5 ,-,-, interpolation means ,,,One method of summarising or describing a group of items is to select from it a . or . item, and this is called an average. There are several ways of doing this:

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https://doi.org/10.1007/978-1-4020-5292-7Many people find it easier to understand a diagram or drawing than a mass of figures, even though it is less accurate.

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Addition and Subtraction,Speed and accuracy can be attained if the following principles are used:

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Multiplication and Division,This is really repeated addition, and if we wanted to multiply some number by 17, we could write it down 17 times, in a vertical column, and add the numbers. This method would be tiresome in ordinary arithmetic, but it is the principle used by mechanical calculating machines.

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Rates and Taxes,The money required by the Local Governing Body of a town or County is obtained from the owners or occupiers of property in the area. The amounts charged are known as . and help to pay for the various services provided, such as street lighting, refuse collection, libraries, etc.

Prostatism

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Indices and Logarithms,A . is the result obtained by multiplying a number by itself a stated number of times.