1. How many meters equals 450 feet? 2. A human is 68 inches tall. Express this height in meters. 3. A car has a gas mileage of 32 MPG (miles per gallon). Express this mileage in kilometers per liter. 4. Convert 37 GPM (gallons per minute) to liters per second 5. Convert 500 CFM (cubic feet per minute) to gallons per day 6. Express 150 ng in pg. 7. Express 81 mg in pg 8. Express 13 pm in nm. 9. Express 250 mg in grams. 10. Express 250 mg in pg. 11. Doctors often use 200 mg/dL as an upper limit for safe blood cholesterol levels. At that level, how many grams of cholesterol are flowing in the veins of an adult with 5.7 liters of blood? . A medicine is to be administered at a dosage of 75 micrograms per kg of body mass once every six hours. How many mg of the medicine must be administered to a 110 kg patient each day? . The toilets in a college bathroom each use 3.8 liters of water per flush. If there are 6 toilets and they are each flushed an average of 17 times per day, how many gallons of water are used per month? . A healthy human heart pumps about 70 ml of blood into the aorta with each beat. If the heart is beating at an average of 72 beats/minute, how many gallons of blood does it pump around your body in a year? I assume you are healthy and human. . Electric companies use an energy unit called a kilowatt-hour (KWHR) to measure your electric usage and generate your electric bill. If your house uses an average of 46 KWHR every day and the electric company charges you 11 cents per KWHR, how much should you expect your average monthly electric bill to be? 1 m = 3.28 ft = 39.4 inch 1 ft3 = 7.48 gallons 1 inch = 2.54 cm 1 gallon = 3.79 liters 1 foot = 12 inch