SOLUTION: The resistance of copper wire varies directly with its length. a copper wire 275 feet long has resistance of 950 ohms what is the resistance of 1575 feet of copper wire

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Question 1020392: The resistance of copper wire varies directly with its length. a copper wire 275 feet long has resistance of 950 ohms what is the resistance of 1575 feet of copper wire
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+275+%2F+1575+=+950+%2F+R+
Divide top and bottom of left side by +25+
+11%2F63+=+950%2FR+
Multiply both sides by +63R+
+11R+=+950%2A63+
+11R+=+59850+
+R+=+5440.91+ ohms