She has $6 left after buying initial supplies because 10 - 3 -1 = <<10-3-1=6>>6.
She can buy 3 bottles of juice because 6 / 2 = <<6/2=3>>3.
She can make 60 popsicles because 20 x 3 = <<20*3=60>>60
She has 40 sticks left because 100 -6 60 = 40
#### 40