


with that template in mind, let's see, it went to the right 2 units, and then up 3 units.
that simply means, C = -2, D = 3.
The next 18 days because your trying to see how many days it is until he does BOTH
2:12 is an equivalent ratio
The formula of a distance between two points A and B is :

You should this formula by heart.
Then, you just have to apply it ! :D
Here :




Therefore :




In short, the answer would be the first option :

.
Hope this helps !
Photon