Answer
Answer: 0.5 Tea spoon.
Work Step by Step
Let's assume the x tea spoons of antibiotic to be given to infant of 8 pounds.
Now, we will write the proportion for the given details
$\frac{1\frac{1}{2}}{24} = \frac{x}{8}$
$\frac{\frac{3}{2}}{24} = \frac{x}{8}$
so. $\frac{3}{2}\times 8 = x\times24$ (cross multiply)
$12 = 24x$
$x = 0.5 $ (divide both sides by 24)
0.5 tea spoons of antibiotic to be given to infant of 8 pounds.
