Respuesta :
You subtract the % that the sale is and take it away from 100%. You get 75% then take the original price and divide it by .75
[tex]x[/tex] = initial price
[tex]y[/tex] = new price
[tex]y[/tex] = 0.75[tex]x[/tex]
[tex]y[/tex] = new price
[tex]y[/tex] = 0.75[tex]x[/tex]