Monthly Archives: May 2016

Solving Ratio and Proportion Problems Part 1

One of the key concepts tested in the Civil Service Exam is ratio and proportion. In this series, we are going to discuss how to solve problems involving ratio and proportion. We first begin below by explaining the meaning and concept of ratio and how to represent it. Suppose we are cooking, and for every… Read More »

Practice Exercises on Subtraction of Integers

To answer the exercises below, it is assumed that you have already finished reading addition of integers and subtraction of integers. In subtraction of integers, we have learned two rules: (1) a – b = a + (-b) (2) a – (-b) = a + b We will use these rules in answering the exersises… Read More »

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