22-08-2014
Mathematics

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I don't understand this question:
If A=p+prt, then t equals

Answer :

22-08-2014

[tex]A=p+prt\\ \\prt=A-p \ \ / : (pr) \\\\t=\frac{A-p}{pr}=\frac{A}{pr}-\frac{p}{pr}=\frac{A}{pr}-\frac{1} {r}[/tex]

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