far right graph, X is greater than or equal to 20, so everything greater than 20 is shaded by x, that's the only graph that follows that so therefore it's the only one that's right
Answer: you can use take out the 5 and multiply 5 by 120=600.then take out the 6 and multiply 6 by 120=720.then take 600 and 720,put it into a fraction.
