This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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15) A quantity that can assume any value is termed as a variable. b. Variable 16) Step 1: Determine the total amount of water needed. The patient needs to drink the equivalent of 8 glasses of water. Step 2: Determine the amount of water per drink. Each drink is (1)/(2) glass of water. Step 3: Calculate the number of times the patient must drink. Number of times = Total glasses needed / Glasses per drink Number of times = 8 glasses(1)/(2) glass/drink Number of times = 8 × 2 Number of times = 16 c. 16 times 17) Step 1: Identify the given concentration. 100 ml of solution contains 20 mg of drugs. Step 2: Set up a proportion to find the amount of drug in 500 ml. Let x be the amount of drug in 500 ml. 20 mg100 ml = x mg500 ml Step 3: Solve for x. x = 20 mg × 500 ml100 ml x = 20 mg × 5 x = 100 mg b. 100mg 18) The mean of a sample is computed by summing all the data values and dividing the sum by the number of items. d. computed by summing all the data values and dividing the sum by the number of items