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Mathematics for IGCSE & O level - Proportion (Section 1 - No. 46)

If *a* is inversely proportional to *b* and *a* = 2 when *b* = 6, what is *a* when *b* = 3?
1
3
4
6

Açıklama

a = k/b. So, 2 = k/6, hence k = 12. Therefore, a = 12/3 = 4.

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