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A person weighs 132 pounds and requires 143 mg of medicine. What is the amount of medicine required by a patient weighing 156 pounds?

A. 169 mg
B. 180 mg
C. 158 mg
D. 143 mg

Answer :

Final answer:

The amount of medicine required by a patient weighing 156 pounds is 169 mg.

The answer is option ⇒a

Explanation:

To find the amount of medicine required by a patient weighing 156 pounds, we can set up a proportion using the weights and the amounts of medicine. We know that 132 pounds is to 143 mg as 156 pounds is to x mg. By cross-multiplying and solving for x, we can find the amount of medicine required.

Using the proportion, we have:

132 pounds / 143 mg = 156 pounds / x mg

Cross-multiplying:

132x = 143 * 156

Dividing both sides by 132:

x = (143 * 156) / 132

Calculating the value of x gives us:

x = 169 mg

Therefore, the amount of medicine required by a patient weighing 156 pounds is 169 mg.

The answer is option ⇒a

Learn more about Proportions here:

https://brainly.com/question/34018947

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