If you're on about us tons then it = 20
However if it's tonnes then it = 18.143695
All you have to do is add up the side lengths we already know then subtract by the perimeter.
60.3 is the side lengths all together that we know
82-60.3=21.7
Hope this helped!!
Answer:Peanut oil freezes at a higher temperature because 3.1°C > -20°C