SOLUTION: Three quarters of the students running a 100_ yard race finished with an average time of 16 seconds. The remaing 25percent of students finished with an average time of 12seconds.wh

Question 681029: Three quarters of the students running a 100_ yard race finished with an average time of 16 seconds. The remaing 25percent of students finished with an average time of 12seconds.what was the average time overall?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Three quarters of the students running a 100_ yard race finished with an average time of 16 seconds. The remaing 25percent of students finished with an average time of 12seconds.what was the average time overall?
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Average time = (total time)/(total people) = ((3/4)x*16 + ((1/4)x*12) / x
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= ((3/4)*16 + (1/4)*12) = 15 seconds
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Cheers,
Stan H.
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