Write a mathematical sentence that expresses the information given below.
use p as your variable name. if necessary:
type < = to means
or > = to mean .
a football team had 50 players at the start of the season, but then some
players left the team. after that, the team had 42 players.

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?