Answer:
Your name I think, i'm not sure though.
To find the equation of the next line we are going to find the negative inverse of the gradient 0.5.
0.5 is the same thing as saying a 1/2 and the negative inverse of 1/2 is -2.
Therefore the equation of the other line is y = -2x - 1
The greatest common factor of them all is six
Answer: They waited all day and didn't catch any fish.