Simple equations involving fractions 2

Mathematics J.S.S 3 Second Term

Theme: Algebraic Process

Sub Theme: Algebraic Operation

WEEK 4

Simple equations involving fractions 2

Performance Objectives

Students should be able to;

1. Complete table of value of simultaneous linear function
2. Solve problems involving simultaneous equations in two variable

Word Problem Leading to simple equations involving fractions

Content

Examples

1. Half of a number, added to a fifth of three less than the number, is equal to two thirds the number. What is the number?

Solution. 

let x represent the unknown number that we are asked to find.

Let x answer the question.

In algebra, we express "half of a number" as

x 2

. Similarly, a third of a

 

number will be

x 3

.…