Question

a certain medicine is given to an amount proportional to a patients body weight. suppose a patient weighing 195 pounds requires 2.79 milligrams of medicine. what is the amount of medicine required by a patient weighing 130 pounds?

Explanation:

Step1: Find dosage per pound

Calculate the medicine per pound by dividing the given medicine amount by the corresponding weight.
$\frac{279}{195} = 1.430769...$ milligrams per pound

Step2: Calculate dose for 130 lbs

Multiply the per-pound dosage by the new patient's weight.
$1.430769... \times 130 = 186$

Answer:

186 milligrams