Question

one of these things is not like the others
mixture z use for 1 cup of milk?
mixture z
milk (cups) chocolate powder (tablespoons)
4 8
1

Explanation:

Step1: Find ratio of powder to milk

$\frac{8\ \text{tbsp}}{4\ \text{cups}} = 2\ \text{tbsp/cup}$

Step2: Apply ratio to 1 cup milk

$1\ \text{cup} \times 2\ \text{tbsp/cup} = 2\ \text{tbsp}$

Answer:

2