Final answer:
To make 2 dozen (24) bracelets, if one bracelet requires 25 beads, Ms. Roselle will need 600 beads in total.
Step-by-step explanation:
Ms. Roselle can make 10 bracelets from 250 beads. To find out how many beads she needs to make 2 dozen bracelets (which is 24 bracelets), we first need to determine how many beads are required for one bracelet.
Since 10 bracelets require 250 beads, one bracelet will need 250 beads ÷ 10 bracelets = 25 beads. Now that we know a single bracelet takes 25 beads, we can calculate the number of beads for 24 bracelets: 25 beads × 24 bracelets = 600 beads.