SOLUTION: The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 1/3 ampere when the resistance is 1620 ohms. What is the current when

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Question 1157578: The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 1/3 ampere when the resistance is 1620 ohms. What is the current when the resistance is 4500 ​ohms?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
{{ {k }}} is a constant of proportionality
+I+=+k%2A%28+1%2FR+%29+
given:
+1%2F3+=+k%2A%28+1%2F1620+%29+
Multiply both sides by +540+
+180+=+k%2A%28+1%2F3+%29+
+k+=+540+
--------------------------
+I+=+k%2A%28+1%2F4500+%29+
+I+=+540%2A%28+1%2F4500+%29+
+I+=+6%2F50+
Check the math