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27-04-2017
Mathematics

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You can type 105 words in two minutes. your friend can type 210 words in four minutes. are these rates proportional

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27-04-2017

Yes they are. A proportion means a fraction=fraction. that equal sign means that they are the same hence it word equal. So you know this if you do 2÷105 and 4÷210 and if they equal the same number then it's proportional

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