Question

A chemical compound used to control insects freezes at -168°F. It boils at 115°F. Which expression represents the difference between the two temperatures?

❘-168 - 115❘
-❘115 + 168❘
-❘115 - 168❘
❘115 - 168❘

Answer 1

Answer: ❘-168 - 115❘

you’re finding difference so we set up a subtraction problem.

We can’t have a negative answer so we must take the absolute value of that number