Question

Five times the costs price of a note book is equal to 4 times the selling price of the note book. If the selling price is Rs 5 more than the costs price, then find both the C.P.and the S.P.of the note book.

Answer 1

Answer:

CP =20₹ ;SP=25₹

Explanation:

5x=4×(x+5)

5x=4x+20

5x-4x=20

x=20;x=CP

SP=CP+5 then

SP=25