Answer:
it T
Step-by-step explanation:
i just did the quiz !!!!! your welcome
Answer:
Since speed is given in terms of "hours" we must convert 9 minutes to hours:
9 minutes = 9/60 hours = 3/20 hours
.
Let x = time (hours) it takes car to pass the truck
then
60(x + 3/20) = 69x
multiplying both sides by 20:
60(20x + 3) = 1380x
1200x + 180 = 1380x
180 = 180x
1 hour = x
Step-by-step explanation:
Answer:
I believe it is C (the bottom left one)
Student who gone from class within 3 sec = 12
within 1 sec, it would be 12/3 = 4
So, your answer is 4