Introduction to Mathmatics Question No. 2: Part ?? A: Marks [3] In USA there are seven federal tax brackets for the 2020 tax year: 10%,

Introduction to Mathmatics Question No. 2: Part â?? A: Marks [3] In USA there are seven federal tax brackets for the 2020 tax year: 10%, 12%, 22%, 24%, 32%, 35% and 37%. Your bracket depends on your t...