the formula for converting degrees fahrenheit (F) to degrees celsius (C) is C=5/9(F-32). find C for F =77F

To find C for F = 77F, we plug F = 77 into the formula:

C = 5/9(77 - 32)
C = 5/9(45)
C = (5 * 45) / 9
C = 225 / 9
C = 25

Therefore, for F = 77F, C = 25C.