Answer
163.2 milligrams
Work Step by Step
We are given that $D(x)=\frac{136}{25}x$, which will allow us to find the dosage of Ivermectin for a dog if we know how much the dog weighs.
We can plug the given value of x=30 pounds into the equation to find D(30).
$D(30)=\frac{136}{25}\times30=5.44\times30=163.2$ milligrams