Answer:
137 cars per hour
Step-by-step explanation:
Since there were 685 cars all together you have to do 685 divided by 5 so that you can get your answer of 137 cars per hour
n = [z*s/E]^2
n = [2.5758*14.1/1]^2 = 1320 (rounded up)
So here is how to express 0.31818181818.....:
You need to put the line on top of 18:
0.318
Why not the 3? Because the 3 is not repeated.