A fruit punch mix combines juice and soda in a ratio of 3 to 4. How much soda is needed for 3.5 gallons of juice?

Correct answer to question 168 (Arithmetic Reasoning): About 4.67 gallons

Method

The ratio of juice to soda is fixed at 3 to 4, so soda equals juice multiplied by 4/3. That gives 3.5 x 4/3, which is about 4.67 gallons.