Respuesta :

Space

Answer:

2.5

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

ab - 0.5b

a = 1

b = 5

Step 2: Evaluate

  1. Substitute:                    1(5) - 0.5(5)
  2. Multiply:                        5 - 2.5
  3. Subtract:                       2.5

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