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6 January, 03:37

3/7 of what number = 21

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Answers (2)
  1. 6 January, 03:53
    0
    9 Im 100 % sure i did this too 3/7 of 21:

    The "mathematical version" of "of" is "x" or "times"

    So:

    3/7*21

    =21*3/7

    =63/7

    =9

    3/7 of 21 miles is 9
  2. 6 January, 04:05
    0
    The answer is 9 because 1/7 of 21 is 3 so 3 * 3 = 9
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