Mathematics for IGCSE & O level - Proportion (Section 1 - No. 9) | ExamPlay

Mathematics for IGCSE & O level - Proportion (Section 1 - No. 9)

If *y* is inversely proportional to *x* and *y* = 4 when *x* = 3, find *y* when *x* = 6.

2

3

6

8

Explanation

y=k/x; 4 = k/3, k = 12; y=12/x; y=12/6=2.

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