During the weekdays it was visited by 100 * 5= <<100*5=500>>500 people
On Sunday and Saturday, it was visited by 200 + 300 = <<200+300=500>>500 people
In total 500 + 500 = <<500+500=1000>>1000 people visited the park in a week
So it earned 1000 * 3 = <<1000*3=3000>>3000 dollars in a week
#### 3000