what price should A shopkeeper mark on an article that cost will be 600 to gain 20% after allowing a discount of 10%
Answers
Answered by
11
cp = 600
gain = 20% of cp
= 20×600/100
= 120
sp = 600+ 120= 720
sp = mp - discount
let mp = x
720 = x - 10% of mp
720 = x - 10×x/100
720 = x - x/10
720 = 9x/10
9x = 720×10
x = 7200/9
x = 800
marked price is 800
gain = 20% of cp
= 20×600/100
= 120
sp = 600+ 120= 720
sp = mp - discount
let mp = x
720 = x - 10% of mp
720 = x - 10×x/100
720 = x - x/10
720 = 9x/10
9x = 720×10
x = 7200/9
x = 800
marked price is 800
Similar questions