A student takes an exam containing 18 true or false questions. If the student guesses, what is the probability that he will get
exactly 6 questions right? Round your answer to four decimal places.
1 answer:
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Answer:
After 7 hours Tevin will catch Enrique
Step-by-step explanation:
We have given speed of Enrique is 20 mph
Tevin left traveling after 2 hours of Enrique
Speed of Tevin is 28 mph
When Tevin catches Enrique will cover same distance
Let Enrique is traveling for t hours
Then Tevin will travel for t-2 hours
We know that distance = speed × time
So
t = 7 hours
So after 7 hours Tevin will catch Enrique