Question

is the profit margin equivalent to a seller of Rs 144. but how much buying price?​

Answer 1

my answer would be 80.

solution

let x be the cost price. so the profit percent is x too

Selling price = x + (x*x)/100

144 = x+ x*x/100

x2+100x-14400 =0

x =-180 or x= 80

So CP =80.