Multiple Choice
A car is making a 12-mile trip. It travels the first 6.0 miles at 30 miles per hour and the last 6.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
A) 20 mph
B) 35 mph
C) 40 mph
D) 45 mph
E) 50 mph
Correct Answer:

Verified
Correct Answer:
Verified
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