Odette solved this problem: A piggy bank has nickles and dimes totaling $1.15. If the bank contains exactly 15
coins, how many of each coin are in the bank?

Complete the statement about Odette's solution.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.