Respuesta :
By purchasing the album on sale for 6.36, Monty made a 20% save. The purchase cost $7.95 at first.
The price that was established by the MSRP (manufacturer's suggested retail price) is known as the original pricing. The initial price was often always less expensive than the current price, however original and current prices occasionally coincide. The discounted price at which products or services are being sold is known as a sale price. Typically, this price is provided for a brief period of time in an effort to boost sales during a sluggish period or get rid of extra inventory. The discount is shown in the advertisement as a percentage of the list price.
Let O = original price,
Sale price, S = 6.36,
Discount, D = 0.20
S = (1 - D)O
divide by 1/D
S/(1 - D) = O
plug in what you know
(6.36)/(0.80) = O
O = $7.95
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