Mister smith wants to improve the look of his back yard by planting small trees that cost 14 dollars each and flowering plants that cost 9 dollars each. he is not sure how many of each item he can buy, but he knows he wants to buy no more than 20 items and spend less than a total of 250 dollars on the project. choose the statement below that is incorrect and should not be used to solve the problem of how many trees(t) and plants(p) mister smith can buy for the amount of money he wants to spend.

t+p< =20

t< = -p+20

14t+9p< 250

t+p=250