How to graph the relationship between the cost of apples and weight

So according to the information we have here, the slope is 2 because the grocer sells 2 pounds for $4, or 1 pound for $2.

That means that on the graph, for every pound more, the cost will go up 2. 
Hope this helps!

It is 2 out of 8 she will pick green and 3 out of 7 she will pick green but red and green would be 5 out of 5 so 50% chance