Answer:
18.1 seconds
Step-by-step explanation:
To find the average divide the whole by the number of parts
The whole = 72.4
The part = 4
72.4/4 = 18.1
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Answers & Comments
Answer:
18.1 seconds
Step-by-step explanation:
To find the average divide the whole by the number of parts
The whole = 72.4
The part = 4
72.4/4 = 18.1