Answer:
2 and 2/5 or 2 and 4/10 necklaces
Step-by-step explanation:
60 divided by 20 is 3 so it's 3x4/5 to do this you have to times the 4 by 3 which = 12 so 12/5 or 2 and 2/5. if wanted in the form of tenths then 2 and 4/10 but probs not becouse they often like you to simplify