Ratios, rates and proportions

What you need to learn in this topic

1. Determine the ratio of three quantities, given two or more ratios of two quantities.
2. Determine the ratio or the related value given (i) the ratio of two quantities and the value of one quantity. (ii) the ratio of three quantities and the value of one quantity.
3. Determine the value related to a rate.
4. Solve problems involving ratios, rates and proportions, including making estimations.