Answer:
C
Step-by-step explanation:
A. 3:7 is not equal to 5:14 because both of these options are in their lowest value and are not equal.
B. 8:6 is not equal to 6:8 because 8 is not equal to 6 and 6 is not equal to 8.
C. 1:4 is equal to 5:20 because 1:4 can be multiplied by 5 to be 5:20 and 5:20 is equal to 5:20.
D. 5:3 is not equal to 12:5 because 5 is not equal to 12 and 3 is not equal to 15.
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