Question 901292
y = (-2/3)x + 20 , P(0,20) and P(3,18) on this line.  Plot and connect with line.
y-intercept is 20  Note: (0,20)
x-intercept is 30  Note: (30,0)
{{{drawing(300,300,   -25,35,-25,25,  
 grid(1),
circle(0, 20,0.9),
circle(3, 18,0.9),
graph( 300, 300, -25,35,-25,25,0,(-2/3)x + 20 ))}}}