Question

12) By selling a book for 648, a bookseller earns a profit of 20%. Find the cost price of the book.

Answer 1

Answer:

u can apply the formula for finding cost price

Answer 2

Answer:

Here,

let CP be x,

or,CP= SP - (20% of CP)

or, x = SP- (20/100×x)

or, x = Rs 648- x/5

or, x + x/5 = Rs 648

or, 4x/5= Rs 648

or,x= Rs 648×5/4

:. CP = Rs 810

Step-by-step explanation:

Hope this helps you