A typical glass of wine contains about 21 grams of alcohol. Consider a 96-pound woman with approximately 6 liters (6,000 mL) of blood drinks two glasses of wine.  A. If all alcohol were IMMEDIATELY absorbed into her bloodstream. What would her blood alcohol content be? B. Again assume all alcohol is absorbed IMMEDIATELY, but now assume her body eliminates the alcohol (though metabolism) at a rate of 12 grams per hour. What is her blood alcohol content three hours after drinking the wine?

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A: The solution of above question is written below.

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.