Ratios Flashcards
1
Q
Problem: A bookshelf holds both paperback and hardcover books. The ratio of paperback to hadcover is 22:3. How many paperback books on the shelf?
(2) if 18 paperback books were removed fro the shelf and replaced w 18 hard books, the ratio of P:H would be 4:1
A
It’s sufficient. Set two systems of equations:
(1) P/H = 22/3
(2) (P-18)/(H+18) = 4/1
