Triangles ABC and XYZ are similar figures. If the length of side AC is 15 units, the length of side BC is 27 units, and the length of side XZ is 5 units, what is the length of side YZ?

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