Brody was a landscape architect who was hired to design a new city park. the city council wanted the park to have space for outdoor concerts and to have at least 20% of the park shaded by trees. brody thought the concert area should be at least 150 meters from the road so traffic noise didn't interrupt the music. he developed three possible designs for the park with the concert area in a different location in each design. then, he tested each design by measuring the distance between the road and the concert area. which of the following could brody's test show?