<span>investment A has 500 (for April) + 600 (for May) + 400 (for June) with a total of 1500.
</span><span>investment B has 400 (for April) + 300 (for May) + 500 (for June) with a total of 1200
</span><span>Converting each amount to ratios gives investment A: 33%, 40%, and 27% respectively. Whereas investment B ratio is: 33%, 25%, and 42%. Hence, the largest month to month change is June.</span>
Answer:
I believe it would be the 2 one
(0,4),(-4,6),(0,3),(-8.2)

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Answer source comes from Wolfram Alpha.
75% because each section is 25%, so if you add 25 from each section, you get 75%