Alice is using three different colors of beads to make necklaces. she has 48 blue beads, 56 pink beads, and 32 white beads. she wants to use the same number of pink, same number of blue, and same number of white beads on each necklace. what is the greatest number of necklaces she can make if she uses all of the beads? a)16 b)12 c)8 d)4