ASAP Saline makes $15 an hour working at a local store part-time. She wants to save enough money to buy a new cellphone. The cellphone Saline would like cost $800. she has already saved $200.

a. Write a two-step equation that would show how many hours Salina would need to work to have enough money to buy herself the new cellphone (10 points) (Your equation should be in the format of Ax + B = C)

b. Show each step used to solve the equation in part (a) and how many hours Salina will need to work (5 points).