For nitrogen to be a liquid its temperature must be within 12.78 of -333.22. The equation x+333.22=12.78 can be used to find x, which represents the maximum and minimum temperatures at which nitrogen is a liquid

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)

Photo math will give you the step by step answer : )