Answer:
20%, 1/5, 0.2
Explanation:
Verify each case
case 1) we have
20%, 1/4, 0.2
we know that


therefore

This group not represents equivalent ratios
case 2) we have
25%, 1/4, 0.2
we know that


therefore

This group not represents equivalent ratios
case 3) we have
20%, 1/5, 0.2
we know that


therefore

This group represents equivalent ratios
case 4) we have
25%, 1/5, 0.2
we know that


therefore

This group not represents equivalent ratios