Answer:
no, 4:8 is not equivalent.
Step-by-step explanation:
3:7 and 6:14 are equivalent because 6 is a multiple of 3 and 14 is a multiple of 7, 3:7 multiplied by 2 is 6:14 but 4:8 are not multiples of 3:7 or 6:14, because they would have to both be multiplied by the same number such as 2, sorry if this is confusing my brain sorta makes things more complex than they should be but the answer is no 4:8 is not equivalent