Click to explore updated revision resources for GCSE Maths: Simplifying ratios, with step-by-step slideshows, quizzes, practice exam questions, and more! A room has to be painted blue and yellow in ...

3rd level Ratios Simplifying ratios Ratios are usually written in the form a:b and are used to compare quantities which are measured in the same units. Given a ratio, quantities can be calculated and ...