PLS HELP WITH ASAP PLS

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

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z