Question

The cp of 48 bookmarks is equal to sp of 40 bookmarks. Find the gain percent.

Answer 1

Answer:

Step-by-step explanation:

let the cp of 48 bookmarks be x

therefore cp of 1 bookmark = x/ 48

According to the question:

cp of 48 bookmarks = sp of 40 bookmarks

therefore sp of 40 bookmarks = x

therefore sp of 1 bookmark = x/ 40

profit = sp-cp

         = x/40 - x/48

         =  24x/960 - 20x/960 [making the denominator same]

profit = 4x/960

profit percent = profit/cp *100

                       = (4x/960)/(x/48)*100

                       = 20%