31) Multiply 0.05 mL by 60. 32) Multiply 0.05 mL by 80. 33) Multiply 355 cm by 6. 34) Multiply 720 mm by 4. 35) Multiply 0.048 km by 5. 36) Multiply 0.025 kg by 6. Objective 2: Solve Applied Problems Involving Metric Units Solve each problem. 37) Tanhoa measured a length of wood and found it to be 1 m 4 cm long. If he cuts off 32 cm, what is the length of the remaining board, in centimeters? 38) If Corina cuts off 70 cm from a piece of fabric measuring 1 m 50 cm in length, how long is the remaining piece, in centimeters? 39) White cheddar cheese costs $34.75/kg. Angelique needs 350 g for an au gratin potato recipe. Find the cost of the cheese. 40) Luke bought 600 g of chocolates for his girlfriend for Valentine’s Day. If the chocolates cost $39.99/kg, how much did he pay? 41) A home soda maker can make a total of 60 L of soda. If Yuka plans to make 200 bottles containing the same amount of soda, how many milliliters will be in each bottle? 42) Ninety kilograms of rice is divided evenly into 120 bags. How many grams of rice are in each bag? 43) If the weight of toothpaste applied to a toothbrush is 430 mg, approximately how many brushes can you get from a 170-g tube of toothpaste? 44) A can of soda contains approximately 355 mL. The volume of four 2-L bottles of soda has the same volume as how many cans? Round the answer to the nearest tenth. 45) If the average rate of human hair growth is 12 mm per month, approximately how many years will it take to grow hair that is 1 meter in length? Round the answer to the nearest year. (http://emedicine.medscape.com/ article/837994-overview) 46) How many drops of solution are in a 0.5-L container if each drop is 0.05 mL? 47) A patient is prescribed a total of 560 mg of medication to be taken twice a day over a 4-day period. How much should each dosage be? 48) A patient is prescribed a total of 315 mg of medication to be taken three times a day over a 1-week period. How much should each dosage be? 49) An eye drop bottle contains 15 mL of saline solution. If you put one drop of solution in each eye every day, how many days will it take to empty the bottle? Assume each drop is 0.05 mL. 50) Abigail’s new lipstick container weighed 18.5 g (including the cap). After putting on lipstick 30 times, the lipstick container weighed 18.2 g (including the cap). What is the weight of one application, in mg? 51) A drug prescription of 45 pills costs $427.95. If each pill contains 3 mg of medication, what is the cost per milligram? 470 CHAPTER 7 Measurement and Conversion www.mhhe.com/messersmith
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