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A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 140 pounds requires 147 milligrams of medicine. What is the weight of a patient who requires
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A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 140 pounds requires 147 milligrams of medicine. What is the weight of a patient who requires 194.25 milligrams of medicine?

User Mohamed Salah
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185 lbs. you 147/140 which is 1.05, you then 194.25/1.05 and get 185
User Jrutter
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Because the person need 194.25, you can use a ratio to determine how much the patient weigh. Do 140/147 = x/194.25. Cross multiply. 140*194.25= 27195.
27195/147 = 185. The patient weighs 185 pounds
User Dodecaplex
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