| Re: Math Formula Question - Need Ideas [message #184522 is a reply to message #184514] |
Sun, 05 January 2014 17:53   |
Thomas 'PointedEars'
Messages: 701
Registered: October 2010
Karma:
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Senior Member |
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Adrienne Boswell wrote:
> Someone goes to a store and has $100.00 worth of items. The merchant
> gives the customer a 10% discount, so only $90.00 is sent to the bank.
> Of the original amount, $10.00 goes to the customer for the discount,
> $80.00 goes to the merchant, $10.00 goes for a processing fee. But those
> amounts have to be calced on the original amount, not what the bank got.
> I need a formula to find the original amount if I have the percentage
> (10%) and the amount the bank got ($90.00). I know in my head that the
> original amount is $100.00, but I have to do it programatically.
>
> I know this is probably dead simple, but I just can't get my head around
> it.
Do your own homework.
[You cannot be serious asking a question regarding simple arithmetic
(percentage calculation, for crying out loud) in a newsgroup for a
programming language — without showing any attempt to solve it by
yourself, I should add.]
PointedEars
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