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23 July, 21:21

Drummers march in two patterns for one song. One pattern has

2 drummers in each row. Another pattern has 4 times as many

drummers in each row. Explain how both patterns can have the

came number of drummers

Patter

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Answers (1)
  1. 23 July, 21:28
    0
    Suppose we have a total of 16 drummers.

    for the first pattern we have 2 drummers in each row, this means that we have a total of 16/2 = 8 rows.

    Now, for the second pattern, we have 4 times as many in each row, so we have 4*2 = 8 drummers in each row, then we have 16/8 = 2 rows.

    You can see that in each pattern we have the same number of drummers, but a different number of rows.

    Now, we only can do this if the total number of drummers is a multiple of 8 (because in the second part we want 8 drummers in each row, so if we want that the numbers of rows to be a whole number, then we must have that the total number of drummers is a multiple of 8)
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