junita is making necklace to give present.she plans to put15 beads in each necklace . Beads are sold in packages of 20.what is the least number of packages she can buy to make necklaces and have no beads left over?

2 answers

What is the least common multiple of 15 and 20?

Divide that by 15.
15, 30,45,60
20,40,60,80
LCM= 60
60 divided by 15= 4