I need help! I know the answer, I just don't know how to get it. The answer is 69.25 seconds.

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  add up the gaps and divide by their number

Step-by-step explanation:

You find the average gap time the same way you find any average: divide the total of the gap times by the number of them.

The four gaps total 4 minutes 37 seconds, or 277 seconds. Their average is ...

  (277 s)/4 = 69.25 s

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Each gap is computed by subtracting the first cyclist's time from each of the others.

In a spreadsheet such as this one, time computation can be done fairly easily. For the final conversion to seconds, we have to account for the fact that the spreadsheet stores time internally as a number of days. The 0:04:37 is converted to 277 seconds by multiplying it by 86400, the number of seconds in a day.

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft