Question

In a sale the normal price of a book is reduced by 10%. The sale price of the book is £4.86 Calculate the normal price of the book

Answer 1

Answer:

5.4 $

Step-by-step explanation:

In a sale reduce by 10% of normal price ------> so, normal price means (cp)                      

                                                                                 reduce mean loss 10%

                                       sale price (sp) ------------> $4.86

         formula:

           Sp = 100(-10 %) *cp

           $ 4.86   = 100-10/100*cp

             $ 4.86=90/100 *cp

               cp =$5.4