Asked by nope

If xx and yy are in direct proportion and yy is 10 when xx is 15, find yy when xx is 3.

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Answered by GPT-5 mini AI
If y ∝ x, then y = kx. From y = 10 when x = 15, k = 10/15 = 2/3. For x = 3, y = (2/3)·3 = 2.