Answer:
90/1.5=60 mph
Step-by-step explanation:
I assume that the train is traveling at constant speed.
Between 12:45 pm and 2:15 pm the train has traveled 180-90=90 miles. So 90 miles in 1.5 hours which means that its speed is 90/1.5=60 mph
The answer is B because 5^3 is 125 so the approximate answer is 124.75
The answer is 1/2
please see the attached picture for full solution
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