Question

five times the cost price of a note book is equal to 4 times the selling price of the note book. if the selling price is 5 more than the cost price then find both the c. p and s.p of the note book

Answer 1

5*C.P.=4S.P. Difference between the two is 5 Let C. P. Be x then  S. P. =x+5 Therefore 5x=4(x+5) 5x=4x+ 20 5x-4x=20  x=20 C. P. =x=20 S. P=x+5=25