A Punch Recipe Calls for Orange Juice, Ginger Ale, and Vodka

A punch recipe calls for orange juice, ginger ale, and vodka to be mixed in the ratio of 4.5:2.5:1. How much orange juice and vodka should be mixed with 2-litre bottle of ginger ale?

A) 3.6 litres orange juice; 0.8 litres vodka
B) 3.5 litres orange juice; 0.75 litres vodka
C) 6 litres orange juice; 0.1.25 litres vodka
D) 5 litres orange juice; 1.1 litres vodka
E) 4.1 litres orange juice; 0.9 litres vodka