SOLUTION: Find the constant of variation k. m varies directly with n; m=144 when n=8. This is what I have; m=kn (144)=k8 k=18 Am I close on this at least a little? Thank you for your

Question 114570: Find the constant of variation k.
m varies directly with n; m=144 when n=8.
This is what I have; m=kn (144)=k8 k=18
Am I close on this at least a little? Thank you for your help.
Barb Neely
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You are correct. Now let's check our answer:

Start with the equation (remember the general equation is where in this case k=18)

Now plug in m=144 and n=8

Multiply. Since both sides of the equation are equal, our answer is verified.
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