Ellipse center (0,0) so its eqn is x^2/a^2 + y^2/b^2 = 1 major axis is horizontal n length 18 so at y=0, x=+/-18 a=18 minor axis is vertical n length 2 so at x=0, y=+/-2 b=2
He could type 3 3/7 in one hour.I think this because since it is 1/3 you would have to multiply it by 3.So you multiply 1/3 by 3,It would give one hour.When you multiply 1 1/7 by 3 it would give you 3 3/7.