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The number of gallons of coffee a mathematician drinks on any given day is inversely proportional to how much sleep he gets the night before. On Monday, he got 9 hours of sleep and drank 2 gallons of coffee. On Tuesday, he got 6 hours of sleep. How many gallons of coffee did he drink?

 Jul 20, 2022
 #1
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G =  k / S              where k is the proportionality constant

 

2  =  k /  9

 

9 * 2   =  k =   18

 

 

So

 

G =   18 / 6   =   3 gallons

 

 

cool cool cool

 Jul 20, 2022

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