Question

Isadora bought 4 trees to plant in her backyard and spent no less than eighty-four dollars altogether. How many dollars could each tree have cost? Let t represent how many dollars each tree cost.

Answer 1

Well....
\[
t = \frac{\text{total}}{\text{number_of_trees}} = \frac{$84}{4} = $21
\]
each tree 'could' cost $21

Answer 2

is it greater than or less than

Answer 3

Well. since it's minimum eighty four then
\[
t \ge \frac{$84}{4} \\
t \ge $21
\]
Sorry, I was too tired yesterday to pay attention. Missed the "no less than"

Answer 4

thanx