74 NLN PAX EXAM PREP: MATH Questions and Answers

74 NLN PAX EXAM PREP: MATH Questions and Answers One kilometer (km) equals 0.6 miles. How many miles equal 2.75 km? 1.65mi 2.15 mi 3.35mi 4.58mi >>>>1.65mi The difference between the boiling point and melting point of a specific substance is 80 degrees Celsius (80°C). If the boiling point is 56°C, what is the melting point? 24°C -24°C 26°C -36°C >>>>-24°C Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients improved? 60% 40% 36% 24% >>>>60% If 1 kilogram (kg) equals 2.2 pounds (lbs), how many kg are there in 130 lbs? (To the nearest tenth of a kg.) 286 kg 62.3 kg 59.1 kg 58.7 kg >>>>59.1 kg If 30% of x = 60, then x = 200 280 50 18 >>>>200 The dosage of a certain medication is determined by a patient's body weight. The medication's dosage is 2.5 mg per kilogram of body weight. What would be the dose for a patient who weighs 72 pounds? (1 lb =0.453 kg) (Doses are rounded to the nearest 25 mg)