x − w ha t i s t h e or i g ina l p r i ce o f t h e co m p u t er x − 15% x = 1275 ⇔ 85% x = 1275 ⇔ 0.85 x = 1275 / : 0.85 x = 0.85 1275 ⇒ x = 1500 A n s . T h e or i g ina l p r i ce o f t h e co m p u t er i s $1500.
The original price of the computer was $1500 before the 15% discount was applied. The sale price after the discount is $1275. This calculation is done by recognizing that the sale price represents 85% of the original price.
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