2: how many years are in 210 months? show work. 3. a baby elephant weighs 250 lb. what is the elephants weight in tons and kilograms. round to the thousandths place. 4. an athlete lost 5 cups of sweat after 2 hours of exercise. what was the athletes sweat rate in quarts per hour? a. 0.625 qt/h b. 0.625 h/qt c. 2.5 qt/h d. 2.5 h/qt 5. the speed of the mississippi river near new orleans is about 4.8 km/h. what is this speed in meters per minute? a. 288.000 m/min b. 800 m/min c. 80 m/min. d. 12,800 m/min. (: