WHOEVER ANSWER IS FIRST AND CORRET WILL GET BRAINLIST

The only ones that match the 0.3 of the original one is Option B, and Option C

Step-by-step explanation:

Original:  3/10 -> 0.3

Option A:  5/18 -> 0.27777777777777777777777777777778

Option B:  6/20 -> 0.3

Option C:  9/30 -> 0.3

Option D:  10/40 -> 0.25

Option E:  16/60 -> 0.26666666666666666666666666666667

 The only ones that match the 0.3 of the original one is Option B, and Option C