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Problem #9 · August 5, 2026

Order of operations

Calculate: 13⋅47−13⋅4213 \cdot 47 - 13 \cdot 42
  1. A6060
  2. B6565
  3. C650650
  4. D1313

WORKED EXAMPLE

Solution

Factor out the common factor: 13⋅47−13⋅42=13⋅(47−42)=13⋅5=6513\cdot47-13\cdot42=13\cdot(47-42)=13\cdot5=65.
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