Barb is making a bead necklace. she strings 1 white bead, then 3 blue beads, then one white bead, and so on. write the numbers for the first eight beads.

Step-by-step explanation:

Barb is making the bead necklace with 1 white bead per 3 blue beads. We can write the sequence until the eighth bead.

1 white bead.

3 blued beads.

1 white bead.

3 blue beads.

1 white bead.

3 blue beads.

1 white bead.

3 blue beads. (This is the eighth bead).

So, the numbers of the first eighty beads would be the sum of all of the above. Therefore, there are 16 beads, and the numbers are like was written above.