Let x denote online sales
Let y denote the number of clicks
The coordinates are (2748,1520) (2956,1840)
slope m= [tex]\frac{y2-y1}{x2-x1}[/tex]
m= [tex]\frac{1840-1520}{2956-2748} =\frac{320}{208}[/tex]
Hence m = 1.538
y = 1.538x
Now for x= 3385
y= 1.538*3385 = 5206 clicks.
Total number of clicks needed are 5206.