Question

a Andrew purchased 20 pens and sold 16 of them for the same amount as the total cost of 20 pens .what is the profit. %
ANSWER SHOULD BE 20%​

Answer 1

Answer:

lets us take the pens price is 10

therefore 20 pens = 20*10=200

for 16 pens he sold one for=200/16=12.5

soo his profits out of it is 20%