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

(b) The recommended adult dose of Elixophyllin ®, a drug used to treat asthma, is6 mg/kg 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 . (4 cups = 1 qt) How many milliliters of coffee can be obtained from 1 g of coffee beans?

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