Rebeckah answered 42 of the 60 questions correctly on a test. Which method should she use to find the percent of questions she a
1 answer:
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Answer:
His average speed for the rest of the journey was of 48mph.
Step-by-step explanation:
We use the following relation to solve this question:
In which v is the velocity, d is the distance and t is the time.
First 32 miles at an average speed of 64mph.
So the time for these 32 miles is:
Rest of the trip:
200 - 32 = 168 miles in 4 - 0.5 = 3.5 hours. So the average speed is of:
His average speed for the rest of the journey was of 48mph.