(a) How many liters of wine can be held in a wine barrel whose capacity is 31 gal?

(b) The recommended adult dose of Elixo-phyllin ®, a drug used to treat asthma, is of body mass. Calculate the dose in milligrams for a 185-lb person.

(c) If an automobile is able to travel 400 km on 47.3 L of gasoline, what is the gas mileage in miles per gallon?

(d) A pound of coffee beans yields 50 cups of coffee