3,600 widgets in 4 hours
therefore 3,600 / 4 for one hour = 900 widgets
900 widgets in one hour
Answer:
-1-1=-1 is incorrect.
-1+1-1=-1 is correct.
Step-by-step explanation:
Add them all up and if they do not equal what is on the other side of the equal sign, then it is incorrect. If it does add up to what is on the other side of the equal sign, then it is correct.
(6,-9) bc downwards means (-) so -3-6=-9
The answer you are looking for would be 9.
I hope this helps! Any questions please comment and I will try to give clarification!