Mr. anderson drove 168 miles in 3 1/2 horurs. he then drove the next 2 1/4 hours at a rate of 5 miles faster than the first rate. how many miles did mr. anderson drive during the 5 3/4 hours?

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