Y=mx+b,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Put it in slope intercept form and plot the y-axis then plot each of the slopes finding the x-intercept
Well a percent is always a number/100 (3%=3/100)
So what you have to do is put 66.6 over 100 and get
66.6/100 as your answer.