let MP = 100x 25% discount = 75x -> SP Profit% = (Profit/CP)x100 125 = (75x/CP)x100 .: CP = 60x Now if discount = 10% SP = 90x .: Profit% = ((90x-60x)/60x)x100 = 50% Reply
let MP = 100x
25% discount = 75x -> SP
Profit% = (Profit/CP)x100
125 = (75x/CP)x100
.: CP = 60x
Now if discount = 10%
SP = 90x
.: Profit% = ((90x-60x)/60x)x100 = 50%