If the credit price of 5 copies of a book is equal to the cash prize of six copies of the same book what is the rate of discount?note:from present worth and discount

16.67%

Step-by-step explanation:

Let X be the credit price per book:

Let Y be the cash price per book:

#The net credit price is equal to the net cash price:

-For each cash buy, you pay 1/6 less than for each credit buy which is the discount rate:

Hence, the discount rate is 16.67%

h who knows

step-by-step explanation:

b.an increase in a causes b to decrease