A shopkeeper bought 100 eggs for #800 out of the lot. 20 were cracked ,he sold the cracked eggs at #12 each and the rest at #20 each

Question

1. What was the total selling price
2. Calculate the profit or loss
3. Calculate the profit or loss percent

Answer 1

#1. s = 20*12 + 80*20 = ____
#2. s - 800
#3. (s-800)/s * 100%