Answer :
Final answer:
The formula F = 9/5c + 32 is used to convert Celsius to Fahrenheit. Substituting 20 for c in the formula gives us F = 68, so 20 degrees Celsius is equivalent to 68 degrees Fahrenheit.
Explanation:
To convert a temperature from Celsius to Fahrenheit, we use the formula F = 9/5c + 32. If we want to find the Fahrenheit equivalent of 20 degrees Celsius, we simply plug the Celsius temperature into the formula. Therefore, we substitute 20 for c in the given formula, which becomes F = 9/5(20) + 32. After carrying out the multiplication and addition, we find that F = 68. Hence, 20 degrees Celsius is equivalent to 68 degrees Fahrenheit.
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