## 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...

Free Civil Service Exam reviewers, online quizzes, tips, and tutorials.

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...

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...

We have already discussed addition of integers. In this post, I am going to discuss four different techniques in adding integers. Adding Numbers with the Same Sign In adding integers with the same sign, we...

In the previous posts, I have shown to you a series on how to solve word problems by working backward. Although I recommend that you learn this method, it is also very important to learn algebraic...

In part 1 and part 2 of this series, we have learned how to solve number age problems by working backward. In this post, we are going to learn how to solve backward using...

In the previous post, we have learned how to solve number problems by working backward. In this post, we discuss age problems. We already had 2 examples in the previous post in this series,...

Most of us would always take a pen and solve for x if we see word problems. But did you know that you can solve them by working backward or even mentally? In this...