Driving 20 hours per day, a bus can travel from city A to city B in exactly
three days if it takes route X. How many miles are there between city A and
city B along route X?
(1) The bus takes 10 percent longer for the trip if it takes route Y.
(2) If the average speed of the bus using route X were 10 miles per hour
slower, it would take exactly one extra day to make the trip.

A) statement I alone is sufficient to answer the question, but statement 2
alone is not sufficient
B) statement 2 alone is sufficient to answer the question, but statement I
alone is not sufficient
C) both statements together are needed to answer the question, but neither
statement alone Is sufficient
D) either statement by itself is sufficient to answer the question
E) not enough facts are given to answer the question