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19 January, 08:29

Jacks average in math for the first nine weeks was an 88. His second nine weeks average decreased 12.5% what was his average for the second nine weeks

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Answers (2)
  1. 19 January, 08:35
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    10% of 88 = 8.8

    2.5% of 88 = 2.2

    2.2 + 8.8 = 11

    88 - 11 = 77
  2. 19 January, 09:06
    0
    75.5%

    Step-by-step explanation:

    88-12.5=75.5
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