Answer :
To convert the temperature from Fahrenheit to Celsius, we use the conversion formula:
$$
C = \frac{5}{9} (F - 32)
$$
Given that the temperature in Fahrenheit is $F = 475$, follow these steps:
1. Subtract 32 from the Fahrenheit temperature:
$$
475 - 32 = 443
$$
2. Multiply the result by $\frac{5}{9}$:
$$
C = \frac{5}{9} \times 443 \approx 246.1111\ldots
$$
3. Rounding to the nearest tenth gives:
$$
246.1^\circ C
$$
Thus, the oven should be set to $\boxed{246.1^\circ C}$, which corresponds to option (c).
$$
C = \frac{5}{9} (F - 32)
$$
Given that the temperature in Fahrenheit is $F = 475$, follow these steps:
1. Subtract 32 from the Fahrenheit temperature:
$$
475 - 32 = 443
$$
2. Multiply the result by $\frac{5}{9}$:
$$
C = \frac{5}{9} \times 443 \approx 246.1111\ldots
$$
3. Rounding to the nearest tenth gives:
$$
246.1^\circ C
$$
Thus, the oven should be set to $\boxed{246.1^\circ C}$, which corresponds to option (c).