Question

there will be a loss of 10% If an article is sold at a rs 22.50 at what price would it be sold to gain 10%

Answer 1

let cp be x
sp=22.5
sp=9x/10
9x/10=22.5
x=225/9
x=25
new sp=11x/10
11*25/10=sp
sp=27.5