A: J: S  20:15:5 = 40  120/40 = 3 oranges per person  3*15= 45 oranges 
Alex, John and Sam went to buy oranges. Alex paid $\textbackslash$20$, John paid $\textbackslash$15$, and Sam only paid $\textbackslash$5$. They bought $120$ oranges altogether. They divided them in proportion to the amount of money each of them had paid. How many oranges did John get? 
Options:
- $$15$$ 
- $$30$$ 
- $$45$$ 
- $$60$$ 
- None of the above 