Answer:
23 meters
Step-by-step explanation:
The area of a rectangular prism is <em>A = l * w * h</em>.
Plugging in numbers gives us <em>920 = l * 100 * 0.4</em>.
Dividing both sides by 40 gives us that l = 23 meters.
The factors in this expression are 3 and 4. Hope this helps! =)
