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Find the annual interest percent on 17% debentures of the face value of Rupees 100 each and available at Rupees 85 each.

All I understand here investment 85 rupees. And income 17%

So it is $\frac {17}{85}$

I also searched online for steps but no where i found.

But all i want to know proper method to write steps as I am a school student.

John Amar
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  • No it is not $\frac {17}{85}$. That is not how percentages work at all. "$17%$" literally means "seventeen per one hundred" or "seventeen out of each one hundred". "Per" means "out of" or "divided by", while "cent" comes from the Latin for "100". So $17%$ itself is $\frac {17}{100}$, and $17%$ of $85$ is $\left(\frac{17}{100}\right)85$. Unfortunately, I do not understand "17% debentures of the face value of Rupees 100 each and available at Rupees 85 each", so I do not know if $71%$ of $85$ is actually the calculation you need to make. – Paul Sinclair Mar 22 '18 at 23:55
  • @Paul Sinclair answer given is 20%. Please can you help now. – John Amar Mar 23 '18 at 18:06

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