Could somebody whos good at maths please tell me what I did wrong in my exam, the answers supposed to be 14? http://tinypic.com/r/4j7vy1/7
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Replying to @Kitkatmatt
@Kitkatmatt (via @Symonator): I think 1000 = 1024 x (1 - 0.75^n) Then rearrange to get 0.75^n on it's own and use logs.

May 26, 2011 · 1:28 PM UTC