Boat A traveled at a speed of 15km/h for 7h a day. Boat B traveled at a speed of 25km/h for 6h a day. Find the difference traveled by the 2 boats that day.

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