Maths

What is the age of both father and son? | Algebra | Maths | Tutorial

QUESTION
The age of a father is twice the age of his son. Twenty years ago, his age was 6 times his son’s age. What is the age of both father and son? Continue reading “What is the age of both father and son? | Algebra | Maths | Tutorial”

Maths

Emma’s Dilemma – Permutations with Unique & Repeating Letters | Maths | Tutorial

In this scenario we look at two names EMMA and LUCY, we want to find out all the possible arrangements the letters of their name can be used to make this is known as permutations. We will also learn to use a formula that will help calculate how many different combinations there are without having to write them down manually this is especially useful if there are 100’s of possibilities. Continue reading “Emma’s Dilemma – Permutations with Unique & Repeating Letters | Maths | Tutorial”