Question

Brianna is making necklaces with beads.She has 21 beads.Use factors to list the number of necklaces she can make with the same number of beads per necklace

Answer 1

Using factors, we calculated that Brianna can make 3 necklaces with 7 beads per necklace, 7 necklaces with 3 beads per necklace, and 1 necklace with 21 beads per necklace.

Brianna is using 21 beads to create necklaces.

Writing 21 into its constituents factors,

21 = 21 × 1

21 = 3 × 7

21 =  7 × 3

The factors of 21 are 1, 3, 7, and 21.

So, she can make 3 necklaces with 7 beads per necklace.

She can make 7 necklaces with 3 beads per necklace.

And she makes 1 necklace with 21 beads per necklace.

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