heeellpppp pleaseeee
Thank youuu!!!

Answer:
30(0.5b+3.75)
Step-by-step explanation:
if b is beads and 0.50 is the price of a bead, you have to multiply the two together. The beads and 3.75 go together bc that's all for 1 necklace. The 30 multiplies all of them bc it's 30 necklaces