Math #2

Sue's average for 9 games of bowling is 108. What is the lowest score she can receive for the tenth game to have an average of 110.

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  1. Total of 9 games with an average of 108 = 972
    so ...
    (972+x)/10 = 110
    972 + x = 1100
    x = 1100-972 = 128

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