Question

If the selling prise is 900 ruupies discount 20% them find the mark prise

Answer 1

sapose the mark prise is x
according to the question 900 is 80%of x than
x×80/100=900
x=(900×100)/80
x=9000/8
x=1125
so the mark prise is 1125

Answer 2

Let mark price= x
selling price=900
discount=20%
mark price= x * 100-20/100=900
x*80/100=900
x= 1125 ans