Question

transaction.
20. The cost of 12 books is equal to the S.P. of 8 books. Find the gain or loss
percent.
IN​

Answer 1

Answer:

so the sp becomes cp and we get profit

Step-by-step explanation:

profit=

$\frac{4}{8} \times 100 = 50\%$

Answer 2

Step-by-step explanation:

cp of 12 books=sp of 8 books

let,cp of 12 books=₹12

sp of 8 books=₹12

sp of 1book=₹12/8=₹3/2

gain =₹(3/2-1)=₹1/2

gain%=50%