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7 April, 03:08

Andy has an 89 average after 5 social studies tests. He wants to have a 90 average for the marking period. What does he need to score on the 6th test to finish with the 90 average?

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  1. 7 April, 05:20
    0
    91

    Step-by-step explanation:

    89+91 = 180

    180/2 = 90
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