Re: Math Formula Question - Need Ideas [message #184518 is a reply to message #184516] |
Sun, 05 January 2014 01:20 |
Jerry Stuckle
Messages: 2598 Registered: September 2010
Karma:
|
Senior Member |
|
|
On 1/4/2014 7:37 PM, The Natural Philosopher wrote:
> 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.
>
Plus $10.00 of the original $100.00
>> $80.00 goes to the merchant,
> If you say so
>
That's one of the original conditions.
> $10.00 goes for a processing fee.
>
> who gets that?
>
Maybe a credit card processor? Maybe the product is being shipped and
this is postage and handling? Who knows.
More importantly, it doesn't matter. It's another of the original
conditions.
> 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%..
>
Well, we know you can do first grade math, anyway. But then the OP SAID
it was 10%. Maybe you have some problem understanding him?
>> 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.
>>
>
>
Maybe you should get your second grade education.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================
|
|
|