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?
1 answer:
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Answer: 3
Step-by-step explanation:
Let say x the width of the tank,
x+4 its length,
x+2 its height
<u>width=3</u>
length=3+4=7
height=3+2=5