On a car trip Sam drove m miles, Kara drove twice as
many miles as Sam, and Darin drove 20 fewer miles
than Kara. In terms of m, how many miles did Darin
drive?
(A) 2m + 20
(B) 2m - 20
(C)( m/2) +20
(D) (m + 2)/20
(E)( m/2 ) - 20