Question

If a pen is sold at rupees 8 with a loss of 20% find it cost price......plz tell me.....​

Answer 1

Explanation:

SP of a pen =rs 8

loss%=20%

let cp be x

SP=CP-loss%*CP

8=x-20/100*x

8*100=100x-20x

800/80=x

10=x