Question

22. A book dealer has some books in store of which
1
5
were hardcover books. The dealer sold
3
of the hardcover books. What fraction of the unsold books
4.
2.
of the books, including
3
were hardcover books?
1
3
a.
b.
20
1
on-
d.
11
20​

Answer 1

Answer:

There were a total of 12 hardcover books, of which 9 were sold, so there are 3 hardcover books left. Thus the fraction of unsold books which are hardcover is 3/20.