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which pair of ratios does NOT form a proportion?
A.3/ 5 24/40
B.30/10 15/3
C.9/14 3/4
D.7/12 14/24****

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    What is different about D than A or B?

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    No.

    But there are two pairs of ratios that do not form a proportion.

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    nothing

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    so the answer is c

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    Neither B nor C forms a proportion.

    30/10 = 3
    15/3 = 5

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    ok thanks

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    Um, but which one is right? Math is sooo hard:(

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    So is it A or D?

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    D a and b........... That spells dab xD

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