SOLUTION: The amount of cobalt varies inversely to the amount of plutonium. If there are 5 gms of cobalt and 20 gms of uranium, how much cobalt will there be with 2 gms of uranium?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The amount of cobalt varies inversely to the amount of plutonium. If there are 5 gms of cobalt and 20 gms of uranium, how much cobalt will there be with 2 gms of uranium?      Log On


   



Question 837217: The amount of cobalt varies inversely to the amount of plutonium. If there are 5 gms of cobalt and 20 gms of uranium, how much cobalt will there be with 2 gms of uranium?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The amount of cobalt varies inversely to the amount of uranium.
c = k%2Fu
If there are 5 gms of cobalt and 20 gms of uranium,
5 = k%2F20
k = 5*20
k = 100
how much cobalt will there be with 2 gms of uranium?
the equation: c = 100%2Fu
c = 100%2F2
c = 50 grams of cobalt