Janice is painting a portion of a gymnasium court if janice paints the shaded area then how many square feet will she paint

I'm confused on this could anyone me and show me what i need to do to solve it.

What percent of 18 is 24? and plz explain thx.

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120