document.write( "Question 618689: My customer pays a partial payment on an invoice. The state tax is 5% on the total invoice. I can estimate, and eventually find what the principle should be on the partial payment, but there must be a formula to do this.\r
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Algebra.Com's Answer #389033 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "My customer pays a partial payment on an invoice.  The state tax is 5% on the total invoice.  find the principle on the partial payment...
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document.write( " Dividing the partial payment by 1.05 will generate that principle\r
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document.write( "Note: P + .05P = 1.05P = Total \n" );
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