Answer:
670
Step-by-step explanation:
2003-814=1189
1189-519=670
They probably thought square rotting was dividing by 2. The correct answer is about 20
Use the distributive property for the left side first
3.2=1/2q+5.65
subtract 5.65 from both sides
-2.45=1/2q
divide both sides by 1/2
q=-4.9
I think construction jobs might use it