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8 December, 01:45

Patan uses a bead loom to make a bracelet.

She wants to use all 84 beads, and to put the beads in rows of equal length.

Patan also wants the number of beads in each row to be a factor of 84 that is a prime number.

How many beads could Patan put in each row? Give as many answers as you can.

Explain how you found the numbers.

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Answers (1)
  1. 8 December, 04:38
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    Step-by-step explanation:

    factors of 84 = 2 * 2 * 3 * 7

    1) 21 * 4 = ==> 21 beads, 4 rows

    2) 14 * 6 = ==> 14 beads, 6 rows

    3) 12 * 7 = ==> 12 beads, 7 rows
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