Question

Need help with all parts please show you work for each part

Answer 1

Vinegar is the x or horizontal oil is the y or vertical
$\frac{3}{2} = \frac{y}{x} \\ 3x = 2y \\ y = \frac{3}{2} x$
the point represent the amount of vinegar and oil so for 1 tbsp vinegar you need 1.5tbsp oil