5×9/10=4.5
9/10 1 8/10 2 7/10 3 6/10 4 5/10
---------------l--------------l---------------l----------------l----------------
5 5/10=4 1/2=4.5
Answer:
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Answer:
248*a=391
Step-by-step explanation:
Answer: Neither
Step-by-step explanation: Neither, because both samples will supply the same information about their likely population.
Answer:
The answer is b. But you asked for the thought process so...
Step-by-step explanation:
Let speed of the 1st trip x miles / hr. and speed of the 2nd trip 3x / hr.
We know that
Speed = Distance/Time.
Or, Time = Distance/Speed.
So, the time taken to cover a distance of 50 miles on his first trip = 50/x hr.
And the time taken to cover a distance of 300 miles on his later trip = 300/3x hr.
= 100/x hr.
So we can clearly see that his new time compared with the old time was: twice as much.
Have a great day :)