A load of fertilizer can be used on 390 square yards of land an weight 1 1/2 tons. How many square yards could 1 ton of fertilizer cover

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