Answer:

Explanation:
We are given that Mariah has been hired as a receptionist.
She paid flat rate each week =$225
She earns additional for every hour=$11.25
Goal of one week of Mariah=$675
We have to find the equation will help Mariah to determine the number of hours she must work.
Let Mariah works=t hours
According to question

This is required equation by which we can determine the number of hours she must work.