This
unit has been designed to introduce the concept of both direct and inverse proportional
parts or quantities.

We will
approach the above-mentioned concepts through a series of problems and
exercises and also focus on methods which will allow us to apply these
concepts to similar situations.

AIMS

To introduce the
concept of proportion and its properties.

To introduce the concept of directly proportional quantities and find a method
which can be used to solve problems involving these kinds of
quantities.

To introduce the concept of inversely proportional quantities and find a method which can
be used to solve problems involving these kinds of quantities.

To find similar relationships in different problems, and apply the methods
explained earlier on in the unit to solve them.