Which ratios form a proportion?

(A)3/15,12/55
(B)8/24,12/35
(C)5/18,25/90*^*
(D)4/11,16/25
If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer. please help asap

2 answers

C is correct! Like I said when I last helped you, if you divide 25 by 5, and 90 by 18, you will get the same number (5), so that's how you know it is correct!
Thank you so much! @Isaac
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