Midstate has averaged 1.2 inches of rain for each of the last ten months. for how many months must the midstate average 1.6 inches of rain to bring the overall average rainfall for the period to 1.5 inches?

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