How do I establish the original List Price?

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Question from Bob:

(1) I have a net price item at $\$4,664.66$ but do not have the discount percentage. I have been told I received 40%? How do I establish the original List Price and to confirm what discount I received?

Hi Bob,

Suppose the list price was $\$L.$ If you received a 40% discount then you paid 60% of $\$L.$ hence

\[\frac{60}{100} \times \$L = \$4,664.66.\]

Solve for $L.$

Penny

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