Answer:
B C and E
Step-by-step explanation:
B is correct because when you multiply 2 and 3 by 5 you get 10:15
C is correct because when you multiply 2 and 3 by 4 you get 8:12
E is correct because when you multiply 2 and 3 by 10 you get 20:30
to find ratios you should be able to multiply the original two numbers by the same number to match
