"one half" =

Your problem becomes this but you don't have to do this method to solve this problem:

. So,
82 cubic feet is the answer
Answer:
-9 1/4
Step-by-step explanation:
-9 1/4
Answer: If you were to graph the solution it would be evident. One solution is when the lines meet at one point, no solution is when the lines are parallel to each other (they do not touch) and infinitely solutions happens when the two lines are on top of each other.
Step-by-step explanation: