kg

b = ---- ← blue varies directly to greens and inversely as whites squared

w²

k(3)

4 = ------

2²

3k

4 = -------

4

3k = 16

k = 16/3 ← constant of variation

kg

b = ----

w²

(16/3)g

2 = ---------

4²

(16/3)g

2 = -----------

16

32 = (16/3)g

g = 6

**6 green**- Proof

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