Answer:
Numbers in group D are not equivalent.
Explanation:
Group A,
, 0.4, 40%

40% =

So all three numbers are equivalent.
Group B.
, 3.5, 350%

350% = 3.5
So all numbers of this group are equivalent.
Group C.
, 0.5, 50%

50% =

All numbers in this group are equivalent.
Group D.
, 0.7, 70%

70% = 0.70
Therefore, numbers in group D are not equivalent.