Answer:
9:7 and 2:1 should not be equivalent.
Explanation:
Ratios are similar to fractions, if the ratios, 9:7 and 2:1 are to be put into fraction form, they would not equal the same thing.
9:7 =
2:1 =
= 2
As shown above, they do not equal the same thing, this also goes for their decimal form and so on.