The formula F = ~$\frac{9c}{5}+32$~ gives the relationship between thetemperature in degrees Fahrenheit, F, and the temperature given in degreesCelsius, C. If the temperature is 85degrees Fahrenheit, what is the temperature, to the nearest degree, in degreesCelsius?
18
23
29
47
51
53 * 5 / 9 约等于 54 * 5 / 9