Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Sarita needs to drive 350 mi. After having driven x miles, the distance remaining r(x) (in mi) is given by r(x) = 350 - x. Evaluate r(250) and interpret the meaning.

A) $r ( 250 ) = 250$ ; Sarita has traveled 250 miles.
B) $r ( 250 ) = 100$ ; Sarita still has 100 miles remaining.
C) $r ( 250 ) = 100$ ; Sarita has traveled 100 miles.
D) $r ( 250 ) = 250$ ; Sarita still has 250 miles remaining.