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****

it is A

nothing

i agree.

so the answer is c

ok thanks

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

So is it A or D?

Haha, So funny..

blaa right

What is different about D than A or B?

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