Ruby is making friendship bracelets. She has a total of 156 beads to make bracelets for 12 friends. If she uses all the beads, what is the unit rate of beads per bracelet?

A. 15 beads
B. 12 beads
C. 13 beads
D. 10 beads

To find the unit rate of beads per bracelet, we divide the total number of beads by the number of friends.

156 beads ÷ 12 friends = 13 beads

The unit rate of beads per bracelet is 13 beads.

Therefore, the correct answer is C. 13 beads.

To find the unit rate of beads per bracelet, we need to divide the total number of beads by the number of bracelets being made.

To start, we divide the total number of beads (156) by the number of friends (12):

156 beads ÷ 12 friends = 13 beads per friend.

Therefore, the unit rate of beads per bracelet is C. 13 beads.