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15 October, 11:20

You earned a 90% on a science test yoy answer 18 questions correctly how many questions were on the test

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  1. 15 October, 11:40
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    X = entire test

    if

    18=.9x

    then divide both sides by. 9

    18 /.9

    and x = 20

    20 questions total on the test
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