Question

if the rate of discount on a book is 28% of its marked price and selling price is rupees 40 find the cost price​

Answer 1

Answer:

Rs. 51.20

Step-by-step explanation:

The cost of the book is=Rs.40+40×28/100

=Rs. (40+11.2)=Rs. 51.20

Answer 2

Step-by-step explanation:

Let M.P be x

x - (28/100)x = 40

x(1 - 7/25) = 40

x = 40*25/18

= 55.55