A jug contains $$750\text{ml}$$ of orange juice, Rebekah drank $$\frac{1}{5}$$ juice, Abigail drank $$200\text{ml}$$ and Anna drank $$120\text{ml}$$. How much juice is left in the jug? 
Overseas Competition->Knowledge Point->Word Problem Modules->Solving Problems Involving Fractions and Percentages->Knowing the Base