🧠 Solve This Step by Step (No Calculator!)

Expression:
5 × 5 − 5 + 5 ÷ 5

✏️ Follow the Order of Operations (PEMDAS/BODMAS)

1. Multiplication first:
   5 × 5 = 25
2. Division next:
   5 ÷ 5 = 1

Now the expression becomes:
25 − 5 + 1

3. Left to right:
   25 − 5 = 20
   20 + 1 = 21

✅ Final Answer:

C. 21