SOLUTION: a 6 foot long pipe has an outside diameter of 2.50 inches and the volume of the pipe is equal to 429 cubic inches. find the wall thickness?

Question 1099869: a 6 foot long pipe has an outside diameter of 2.50 inches and the volume of the pipe is equal to 429 cubic inches. find the wall thickness?
Found 2 solutions by richwmiller, josgarithmetic:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
what wall?
Answer by josgarithmetic(39626) (Show Source): You can put this solution on YOUR website!
Entire outside volume, , cubic centimeters.
You do not really need all this; you only need to know the 1.25 cm radius.

INSIDE volume for empty space EXCLUDING the wall,

What is the wall's thickness? Solve for r and then find .
Or .
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