Ratio and Proportion GCSE Maths, iGCSE Maths, 10th grade Math, GED Maths Part 9

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Rarion, Proportion. This is the 9th video I have done on ratio and proportion. This is a little bit different from the earlier exercises on ratio and proportion. I have outlined 4 steps but the 4th step is only there is a check. In an exam situation, step 4 is not needed
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