Question

By selling an article for rupees 9900. Shashank gain 10% find his CP.​

Answer 1

Answer:

Step-by-step explanation:

let thee cost price of  article be 'Y'

profit or gain = 10%

profit = 10% of x

         = 10/100 x

         = 1/10 x

CP + Gain = SP

Y/1 + (1/10) Y = 9900

(10Y+1)/10 = 9900

11Y = 9900 x 10

Y = (9900 x 10) /11

Y = 9000 answer