The formula for the rate at which a pools fills with water is R = V t where R is the rate, V is the volume of water in liters, and t is the time in minutes. What is an appropriate unit to use to measure the rate? l i t e r s m i n u t e m i n u t e s l i t e r s m i n u t e s ⋅ l i t e r s 1 m i n u t e s ⋅ l i t e r s