Question

A man sell a table at 12% loss and book at 19% profit and earn rs 160 as a profit. if he sell table at 12% profit and book at 16% loss then he bearsba loss of rs 40. find price of the book?

Answer 1

-cm×12%+cb×19%=160
cm×12%-cb×16%= -40

cb×3% =120
cb =4000