Question

1 If price of 20 books is 20 books is 500 F, th find the price of 15 books​

Answer 1

Answer:

cost price=c.p

selling price=s.p

c.p×25=s.p×20

c.p/s.p=4/5

profit Percentage=(s.p-c.p)/c.p*100

profit=(5-4)/4*100=25%

Step-by-step explanation:

Answer 2

the answer is 312.5F I think this will help you