## Videos

**Ex 6.3 Videos**

This video goes through examples from Q1, Q2 and Q3 |
This video goes through examples from Q5, Q6 and Q12 and Q18 |

**Ex 6.4 Videos**

This video goes through how to solve problems like in Q1,Q2,Q3 of Ex 6.4This video goes through Q13 from Ex 6.4 |
This video goes through how to solve problems like in Q5 |
This video goes through Q10a from Ex 6.4 |

**Ex 6.5 Videos**

This video explains what profit and loss, and percentage profit and percentage loss, mean. |
This video goes through Q1 in Ex 6.5 |
This video goes through Q2 in Ex 6.5 |

**Ex 6.6 Videos**

This video explains Q3 and Q4 in Ex 6.6 |
This video explains Q6 and Q9 in Ex 6.6 |