Riya, Pooja, and Anju have some oranges and Riya says, “If pooja gives me 20 oranges then she will have half that of Anju. But if Anju gives me 20 oranges, then the three of us will have the same amount.” What is the total amount of oranges that Riya, Pooja, and Anju have between them?
1
200
2
180
3
160
4
140