The value of each book in the set will be $6.5 when he sold his books to the second hand store.
<h3>What is profit and loss?</h3>When we sell any product above its cost price then there will be profit if the selling price is less then the cost price then there will be loss on the product.
here the total cost of the books sold will be given as:-
The cost of the each book will be
Hence the value of each book in the set will be $6.5 when he sold his books to the second hand store.
To know more about Profit and Loss follow
#SPJ1