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Are 3/7 and 9/21 proportional? О O Yes О Na
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Are 3/7 and 9/21 proportional? О O Yes О Na

User Ahmed Nuaman
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Are 3/7 and 9/21 proportional? О O Yes О Na​

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9/ 21 = 3*3/ 3*7 = 3/7

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Answer

YES

User Alexandre Juma
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