If 100 mangoes cost price is rs.100 , 10 were spoilt 90 sold for 0.85 paisa percentage

Question

If cost price of 100 mangoes is rupees 80 out of 100 mangoes 10 were spoilt and thrown away ,from the remaining mangoes each were sold for 0.85 pa find if profit or loss percentage

Answer 1

kost=80

take-in=0.85*90=76.5

yu luze 3.5$

3.5/80=0.04375

=4.375%