A photo 10 cm × 15 cm is enlarged so that its width becomes 20 cm. The area of the enlargement is how many times the original?

  1. 8 times
  2. 3 times
  3. 2 times
  4. 4 times
Answer

D) 4 times

Scale factor 2, so area factor 2^2 = 4. SLO M-09-B-17 · Understanding

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