Answer
a). 59mL (rounded)
b). 3.52 oz.
Work Step by Step
a). From the diagram, volume of 16 fl. oz = 473 ml,
So, volume of 2 fl. oz is $\frac{473}{8}\approx59mL$
b). From the diagram, volume of 411 gm = $14\frac{1}{2} oz. $
So, volume of 100 gm = $\frac{29}{2}\times\frac{100}{411}=3.52 oz.$