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12 November, 12:45

Latisha earned an 85% today. Her pervious scores were 72%, 89%, and 90%. Calculate her new average (mean)

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  1. 12 November, 15:36
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    To calculate the average, we will use the following rule:

    average = sum of scores / number of scores

    sum of scores = 85+72+89+90 = 336

    number of scores = 4

    average = 336/4 = 84%
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