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AMO 2027 Grades 4-5 SET 4 - Self-study Question 5

AMO · AMO 2027 Grades 4-5 SET 4 - Self-study

Question 5

Christine thought of a number. She add $\frac{1}{3}$ of this number and then multiplied the result by 5. Then she subtracted 4 and then divided the result by 8. She got 32 in the end. What was the original number?
  1. 32
  2. 39
  3. 42
  4. 96
  5. None of the above