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math

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calculate the average percent
1970 1980 1990 2000
17.2 17.3 17.1 16.6
do you add them all together then divide by 4

  • math - ,

    yes

  • math - ,

    16.9%

  • math - ,

    i got 17.05% you might have put in one of thenumbers wrong check again

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