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Jack's average in math for the first nine week was an 88. His second nine weeks average decreased 12.5 . What was his average for the second nine wekks

Jack's average in math for the first nine week was an 88. His second nine weeks average decreased 12.5 . What was his average for the second nine wekks
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Jack's average in math for the first nine week was an 88. His second nine weeks average decreased 12.5 . What was his average for the second nine wekks

User Valentin Cerneanu
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The answer is that his average is 75.5 for the second nine weeks
User Pavlo Zin
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