An Ap student got a lab report back with "-4.5 % error" written in red on it. He had found the boiling point of an unknown liquid to be 45 C. What is the correct boiling point of his unknown liquid?

Question

I know first I would write -4.5 % error = |4.5-x|/x x 100 but I don't know what to do after that.

Answer 1

See your post above.