| Re: Math Formula Question - Need Ideas [message #184516 is a reply to message #184514] |
Sun, 05 January 2014 00:37   |
The Natural Philosoph
Messages: 993
Registered: September 2010
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On 05/01/14 00:26, Adrienne Boswell wrote:
> I have a math question to which I can't find the answer. Here is the
> scenario:
>
> 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,
no., The customer gets the goods.
> $80.00 goes to the merchant,
If you say so
$10.00 goes for a processing fee.
who gets that?
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.
>
are you for real?
$90/(1-0.1) = $100
0.1 being 10%..
> I know this is probably dead simple, but I just can't get my head around
> it.
>
A degree in media studies...or was it 'climate science' ?...;-)
> Thanks in advance.
>
--
Ineptocracy
(in-ep-toc’-ra-cy) – a system of government where the least capable to
lead are elected by the least capable of producing, and where the
members of society least likely to sustain themselves or succeed, are
rewarded with goods and services paid for by the confiscated wealth of a
diminishing number of producers.
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