Answer:
The correct option is B.
Explanation:
Let x be the number of $75 trees and y the number of $85 trees.
Total cost of both type of trees is

It is given that the tree budget must not exceed $56,000.

.... (1)
Citizens want more of the colorful $85 trees than the others if possible. It means
y>x .... (2)
Both inequalities are contained in option B, therefore the correct option is B.