That’s not possible but it added to -2 it would be possible
The answer is C because It is going at the same rate. It would work the same if it was negative or positive.
I hope this helped :)
No C
This is because in order to attain the ratio 1:2 the reds have to be half the blues
(0, -3) is the answer. Plug all the options into the equation and the only one that works is (O, -3)