Answer:
Well technically its inf due to the arrow, there are no points showing where to start from and where to end
the way you do it it you just count the amount of units it goes up, in this case for every square its going up 5 units, once you get that number you put that on top of your fraction, then you go over on the x axis till you hit your line (x axis is going by 10 every time). This would be your number on the bottom of the fraction.
Ill do what I can see here
40 1
---- Simplified to ----
80 2
Explanation:
Obviously this isnt the answer but thats how you get it, hope this helps