9514 1404 393
Answer:
 $6545.45
Step-by-step explanation:
If we let s represent Caitlin's sales for the week, then her gross pay is ...
 pay = 200 +0.055s
When her pay is 560, her sales are ...
 560 = 200 +0.055s
 360 = 0.055s . . . . . . . . . . . . . subtract 200
 360/0.055 = s = 6545.45 . . . divide by 0.055
Caitlin's sales for the week are $6545.45.