Question

Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey be able to sing, in total? Write and solve an equation to find the answer. pieces

Answer 1

After 78 weeks of singing 2 pieces each week, she should of sung 156 pieces. Tell me if this is right or not