Question

iN JUST 12 HOURS ON FEBRUARY 21,1918 THE TEMERTURE GRANSVILLE, NORTH DAKOTA,ROSE FROM -33^F TO 50^F BY HOW MUCH DID THE TEMPERATURE CHANGE?
I CAME UP WITH 50- -33=80 MY INSTRUCTOR SAID THIS WAS INCORRECT

Answer 1

HE SAID I COMBINE THE TWO NUMBERS WRONG

Answer 2

You just got one thing wrong.

Answer 3

\(\Large \color{MidnightBlue}{\Rightarrow 50 - (-33) = 50 + 33 = 83 \ne 80 }\)

Answer 4

:)

Answer 5

what does that sign before 80 mean ?

Answer 6

I was just saying that 83 is not equal to 80 :)