Let B be the number of beads used to make each bracelet. Then the number of beads used to make 5 bracelets is 5B.
Number of beads to make a Barrett = 15
The sum of number of beads used to make 5 bracelets and Barett gives the total number of beads. So,
![5B+15=200](https://img.qammunity.org/2023/formulas/mathematics/high-school/5rpsb91kf3sddl61ftwqbiizet9qaovi7b.png)