I need help with dilution

I have this problem and I can not figure it out, I have tried everything. So I have standard solution that is 100 micrograms/ml and I need to make series of dilution with concentrations 5,10,15,20,25, 30 micrograms/ml, I have pipettes that are 1 ml, 2ml, 3 ml and 5 ml and vials 10,0 mL, 20,0 mL, 25,0 mL и 50,0 mL. I can not figure out which pipette to use to do the dilution. Anybody help me