Question

my order is a ratio of midnight to nimble cupcakes of 5 to 3. a total of 16 cupcakes.

Explanation:

Step1: Sum the ratio parts

$5 + 3 = 8$

Step2: Find each cupcake count

Midnight: $\frac{5}{8} \times 16 = 10$
Nimble: $\frac{3}{8} \times 16 = 6$

Answer:

10 Midnight cupcakes and 6 Nimble cupcakes