Question

r+1 is less than or equal to 0.

What is r?

Answer 1

subtract one from each side of this equation:
r+1<=0

Answer 2

Subtract one from each side, like bobpursley said.
r<or=(-1)

Answer 3

there are 100 bushels of corn to be distributed out to 100 people.
the men get 3 bushels of corn each,
the woman get 2 bushels each,
and the children get 1/2 bushels each.

how can the bushels be distributed evenly among the people?

(so that the numbers add up to 100 people and 100 bushels)