Answer:
B. 20 meters per second
Step-by-step explanation:
The car is going 400 meters in 20 seconds, let's simplify that!
STEP 1
400/20=20
( / stands for division)
For an easier understanding way, here:
There will be a picture attached to this answer, look at that for understanding better!
STEP 2
Now, to understand a bit better, the 400 gets divided into 20 by 20 times, and the 20 gets divided into 20 1 time. So, there fore.....
FINAL ANSWER:
We get the answer that if a car is moving 400 meters per 20 seconds, that means it is moving 20 meters per one second.
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