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AMO 2022 – Primary 6 (Grade 6) Question 8

AMO · AMO 2022 – Primary 6 (Grade 6)

Question 8

The source gives the relationship $5F=9C+160$ between Fahrenheit and Celsius readings. When $F=86$, what is $C$? Clarification: the reading is missing in the source stem and restored from its solution.

Question illustration
  1. $25^\circ\mathrm C$
  2. $26^\circ\mathrm C$
  3. $27^\circ\mathrm C$
  4. $30^\circ\mathrm C$
  5. $32.5^\circ\mathrm C$