Worked examples
Two examples
Example 1
Use F = 95C + 32. What is 25°C in Fahrenheit?
- Put 25 in place of C: 95 × 25 = 45.
- 45 + 32 = 77.
Answer: 77°F
Example 2
Use C = 59(F − 32). What is 50°F in Celsius?
- Parentheses first: 50 − 32 = 18.
- 59 × 18 = 10.
Answer: 10°C
Where this is taught: The Formula Sheet
The drill
Ten problems
How many:
Type each answer, then press Check my answers at the bottom. Commas in large numbers are fine.Write each answer on the line. The answer key, with the reasoning, is on the last page.