A Car Sells For $12,590 , Which Is A 20% Off The Original Cost. What Is The Original Cost?

(original cost) - (original cost)*20% = $12,590    (the given information)
(original cost)(100% - 20%) = $12,590    (factor)
(original cost)(80%) = $12,590    (subtract the percentages)
(original cost)(80/100) = $12,590    (convert to fraction)
(original cost)(.80) = $12,590    (convert to decimal)
(original cost) = $12,590/.80    (divide both sides by .80)
(original cost) = $15,737.50

Original price is 100% and discount price is 20% off so it is 80% which is 12590. Simply how you take out percentage you multiply the original price with 20% or what ever . In adding just do your math 100% - 20%= 80% so 12590/.80(discount price 80%)=15737.5 . Its that simple