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A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 159 pounds requires 212 milligrams of medicine. What is the amount of medicine required by a
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4 votes
A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 159 pounds requires 212

milligrams of medicine. What is the amount of medicine required by a patient weighing
129 pounds?

User DarwinIcesurfer
by
7.5k points

2 Answers

4 votes
159/ 212 = 129 / x
cross multipy
(159)(x) = (212)(129)
159x = 27348
x = 27348/159
x = 172 mg <==
User Lowselfesteemsucks
by
7.7k points
4 votes
1.333 grams per person so if you times 129 pounds by 1.33 you get  171.57 grams of medicine
User Jessey
by
7.8k points
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