Answer
272 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=50 pounds into the equation to find D(50).
$D(50)=\frac{136}{25}\times50=5.44\times50=272$ milligrams