Solve the problem.An express train and a local train both leave Gray's Lake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
A. Express: 25 mph; local: 12.5 mph
B. Express: 60 mph; local: 30 mph
C. Express: 50 mph; local: 25 mph
D. Cannot be determined without more information
Answer: C
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Use the information in the table to answer the question.
Which category and year represents the greatest decrease?
A. Decorations in 1992 B. Telephone in 1992 C. Postage in 1993 D. Supplies in 1993
Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 10.8 hours C. 5.4 hours D. 2.7 hours
Perform the arithmetic.(-19) + (-1) + 12
A. -6 B. -8 C. 8 D. -30
Graph: y= x- 3.
