Answer:
They are all equivalent except for 5:10
Explanation:
You can write ratios as fractions
If I simplify each fraction, I can see that they all equal 2 expect for the the last one.
2 2 2 1/2
4:2 and 14:7
The ratios equivalent to 8:4 would be:
4:2
14:7
5:10 wouldn't be equivalent because if you simplify that, it is 1/2 and if you simplify 8/4, it is 2. 1/2 and 2 are not the same.
:D
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