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Answer:
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The correct answer is D. The volume of the new tanks will be 27 times the volume of the original tanks.
Step-by-step explanation:
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A ratio shows us the number of times a number contains another number. The correct option is D, The volume of the new tank is 27 times the volume of the original tank.
What is a Ratio?
A ratio shows us the number of times a number contains another number.
Let the height and the radius of the cylindrical gas tank be h units and r units.
The volume of the tank with a radius r units and height h units can be written as,
The volume of the original tank, V = πr²h unit³
Now, they switch to new gas tanks with triple the height and triple the radius of the original tanks. Therefore, the new height and the radius of the tank will be 3h units and 3r units.
Thus, The volume of the new tank with a radius of 3r units and height 3h units can be written as,
The volume of the new tank, V₁ = π(3r)²(3h) unit³
= 27 πr²h unit³
Furthermore, it take the ratio of the original volume and the new volume, we will get,
V / V₁ = πr²h unit³ / 27 πr²h unit³
V / V₁ = 1 /27
V₁ = 27V
Hence, the volume of the new tank is 27 times the volume of the original tank.
Learn more about Ratios:
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