math
posted by larry .
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****

What is different about D than A or B?

No.
But there are two pairs of ratios that do not form a proportion. 
nothing

so the answer is c

Neither B nor C forms a proportion.
30/10 = 3
15/3 = 5 
ok thanks

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

So is it A or D?

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