Civil Service Exam Reviewer · Ratio and Proportion · easy

Simplify the ratio 45 : 40.

  1. 8 : 9
  2. 18 : 17
  3. 10 : 9
  4. 9 : 8

Answer

D. 9 : 8

Solution

Divide both terms by their GCF, 5: 9 : 8.

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