Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary of $675 per week. What were her sales last week if her total earnings for the week were $1,021.50?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site