Question

a publisher sells a book for rs. 168 at a profit of 20%. if his cost of production is increased by 30%, what should be the increase in the price of the book so that his percent profit remains the same?​

Answer 1

30×168÷100=50.4

50.4+168= 218.4 .rs

for 30% the price should be 218.4 rs to remain his profit same