Final answer:
The day's high temperature of 68°F in Orlando, Florida, when converted using the formula C = (F - 32) × 5/9, is equal to 20°C.
Step-by-step explanation:
The day's high temperature in Orlando, Florida was recorded as 68°F. To convert this temperature to degrees Celsius, we use the formula C = (F - 32) × 5/9. When we plug in the Fahrenheit temperature, we get:
C = (68°F - 32) × 5/9 = 36 × 5/9 = 20°C.
Therefore, the day's high temperature written as degrees Celsius is 20°C, which corresponds to option A).