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When xb= 12, y = 8. Find x when y = 12

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Answer:

If it is direct proportionality, then y = kx where k is a constant. Use the given information to find k:

8 = k(12) ⇒ k = 8/12 = 2/3

y = (2/3) x

For y = 12,

12 = (2/3) x ⇒ x = (3/2)*12 = 18

x = 18 when y = 12

I hope this helps a little bit.

User Valar
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