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  • 2010 June(68C) Math Question 20

    Ratios, Proportions, Percentages, Fractions

    - LCM, GCF, Prime Numbers

    Choice J
    $$50=2\times5\times5$$ $$30=2\times3\times5$$ $$70=2\times5\times7$$ $$[50,30,70]=2\times3\times5\times5\times7=1050$$

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