Which of these fractions equals 40%? A.) 1/4 B.) 2/5 C.) 4/5 D.) 5/2 answer: 2/5 Explanation: Check all the fractions A-D 2/5 = 0.4 Solve: 8 [7 - 3(12 - 2) / 5] A.) 0 B.) 8 C.) 16 D.) 64 answer: 8 Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients improved? A.) 60% B.) 40% C.) 36% D.) 24% answer: 60% How much simple interest will be paid on a $500 loan for 1 year if the annual interest rate is 6%? A.) $3,000.00 B.) $530.00 C.) $120.00 D.) $30.00 answer: $30.00 If x = 4, x³ A.) 12 B.) 16 C.) 64 D.) 256 answer: 64 The dosage of a certain medication is determined by a patients body weight. This 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.) A.) 75 mg B.) 100 mg C.) 375 mg D.) 400 mg answer: 75 mg What is the area of a rectangle that is 4 feet wide and 9 feet long? A.) 18 square feet. B.) 26 square feet. C.) 36 square feet. D.) 72 square feet. answer: 36 square feet. If 30% of x = 60, then x = A.) 200 B.) 280 C.) 50 D.) 18 answer: 200 One kilometer (km) equals 0.6 miles. How many miles equal 2.75 km? A.) 1.65 miles. B.) 2.15 miles. C.) 3.35 miles. D.) 4.58 miles.answer: 1.65 miles Explanation: If a hospital equipment salesperson receives a 12% commission, how much commission is paid when $16,000 worth of equipment is sold? A.) $1,333.33 B.) $1,920.00 C.) $14,080.00 D.) $17,920.00 answer: $1,920.00 The difference between the boiling point and the melting point of a specific substance is 80 degrees Celsius (80 C). If the boiling point is 56 C, what is the melting point? A.) 24 C B.) -24 C C.) 36 C D.) -36 C answer: -24 C If 1 kilogram (kg) equals 2.2 pounds (lbs), how many kg are there in 130 lbs? (To the nearest tenth of a kg.) A.) 286 kg B.) 62.3 kg C.) 59.1 kg D.) 58.7 kg answer: 59.1 kg How many milligrams (mg) are in 50 grams (g)? (0.5 g = 500 mg) A.) 0.05 mg B.) 5,000 mg C.) 10,000 mg D.) 50,000 mg answer: 50,000 mg Mr. Clark owns 150 shares of stock in the Acme Company and receives $180 per year in dividends. How much does Mrs. Grey receive for an annual dividend if she owns 400 shares in the same company? A.) $250.00 B.) $360.00 C.) $480.00 D.) $500.00 answer: $480.00 If a = 3 and b = 6, what is the value of b to the a power? A.) 36 B.) 18 C.) 144 D.) 216 answer: 216 The diameter of the lower power field of a certain microscope is 1.6 millimeters. The diameter of a cell that is half the diameter of the field is? A.) 1,600 microns. B.) 1,000 microns C.) 800 microns. D.) 500 microns. answer: 800 microns. 2/5 + 3/10 = A.) 1/3 B.) 1/2 C.) 7/10 D.) 1 1/5 answer: 7/10 The concentration of allergens in an experimental sample of air is one pat per billion. Which of these mathematical notations represents this concentration? A.) 1.0 x 10 ^-11 B.) 1.0 x 10 ^-9