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
1 answer
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}.