Task: Question Answering
Input (English): Problem: a straight line in the xy - plane has y - intercept of 20 . on this line the x - coordinate of the point is 150 and y - coordinate is 600 then what is the slope of the line ? 
Options: a ) 3.9 , b ) 4.6 , c ) 5.2 , d ) 6 , e ) 8.1
Output (English): a