Ruby is making friendship bracelets. She has a total of 156 beats to make bracelets for 12 friends if she uses all of the beads what is the unit rate of beats per bracelet
To find the unit rate of beads per bracelet, divide the total number of beads by the number of bracelets: 156 beads / 12 bracelets = <<156/12=13>>13 beads per bracelet. Answer: \boxed{13}.
