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What is Calculating Percentages and Ratios about?

1. This document discusses methods for calculating percentages of numbers without using a calculator. 2. It explains that any percentage problem involves an amount, percent, and base. The amount is the given percent of the base. 3. Methods are provided for calculating common percentages like 25%, 15%, and halves/fourths by decomposing the percent into simpler fractions of 50% or 10%. 4. To calculate the amount when the percent and base are given, the percent should be represented as a decimal or fract

Author

ahee_1

Language

EN