Solving for the speed of volume

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Homework Statement
The trunk of a tree is approximately cylindrical in shape. The radius of the trunk is increasing at a rate of 0.002m/year and the height is increasing at a rate of 0.03 m/year. How fast is the volume of the trunk increasing when the diameter of the tree is 0.5 m and the height of the tree is 10 m?
Relevant Equations
V = (Pi)r²h
Screen Shot 2020-05-26 at 10.29.11 PM.png

Is this correct?
 
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It looks good to me.
 

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