Question 327512
30(60) + 84× <= 2500
1800 + 84× <= 2500
1800 - 1800 + 84× <= 2500 - 1800
84× <= 700
84×/84 <= 700/84
× <= 8 1/3

The maximum number of trees you can buy with a budget of $2500 is 8 trees.