Admission Tests Related Exams
GMAT Exam
At a certain used-book store, the cost of each paperback book is x dollars and the cost of each hardcover book is y dollars. What is the cost of a hardcover book at the store?
(1)
At the store, the cost of 3 paperback books and 5 hardcover books is $12.25.
(2)
At the store, the cost of 9 paperback books and 15 hardcover books is $36.75.
Pete made a trip to the beach, of which 80 kilometers were on highway X. What was Pete’s average speed for the trip?
(1)
Pete’s average speed for the part of the trip on highway X was 80 kilometers per hour.
(2)
Pete’s average speed for the part of the trip not on highway X was 96 kilometers per hour.