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.

t is greater than eighty

t is greater than or equal to eighty

t is greater than twenty-one

t is greater than or equal to twenty-one

Answer 1

4t >= 84 -- divide by 4 on both sides
t >= 84/4
t >= 21 (t is greater then or equal to 21)