Cannn anyone help???

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

If you answer right ill give brainliest, : )

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?