Respuesta :

Space

Answer:

5.5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

Step 1: Define

(8.1 + 7.4) - 25 ÷ 2.5

Step 2: Evaluate

  1. (Parenthesis) Add:                    15.5 - 25 ÷ 2.5
  2. Divide:                                       15.5 - 10
  3. Subtract:                                    5.5