SOLUTION: The cost C of steel tubing is jointly proportional to its length L​, in​ feet, and diameter D​, in inches. If a 2 foot tube with a 3 inch diameter costs ​
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Question 1113664: The cost C of steel tubing is jointly proportional to its length L, in feet, and diameter D, in inches. If a 2 foot tube with a 3 inch diameter costs $12, find the cost of a 6 foot tube with a diameter of 6 inches.
What is the cost of a 6 foot tube with a diameter of 6 inches? Answer by josgarithmetic(39620) (Show Source):
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The cost C of steel tubing is jointly proportional to its length L, in feet, and diameter D, in inches.
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If a 2 foot tube with a 3 inch diameter costs $12,...
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