Respuesta :

Space

Answer:

0.5

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 Expression

[20 + (2.5 × 3)] - 27

Step 2: Evaluate

  1. [Brackets - Parenthesis] Multiply:          [20 + 7.5] - 27
  2. [Brackets] Add:                                       27.5 - 27
  3. Subtract:                                                  0.5

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