A ratio compares two or more quantities by using parts of a whole. In this bracelet, there are 2 parts red compared to 3 parts blue. The ratio of red beads to blue beads is 2 : 3. This is said aloud ...
Across the UK, teenagers have been grappling with everything from fractions to ratios as they tackle their GCSE maths exams. This year, one particular question attracted the ire of parents and the ...
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