To solve this question, follow the steps below.
Step 01: Find 8b and 2a
Since
a = 2
b = 3
8b = 8*3 = 24
2a = 2*2 = 4
Step 02: Substitute the values from step 01 in the equation.

Step 03: Solve the division.

Step 04: Solve the addition.

Answer: c. 28.