. Q1 L5 W: q' n/ E) ?. J, }; b . D" a8 s& C6 P% m这个你肯定题目看错了: 9 Y$ t* t2 o( a" U# Lcountry W is twice the number to country Z( c# Q0 O4 w) {3 \* A4 G
5 ` @6 ^. J7 h" wthe numbers of the commuters to country W is 1.2*30000=360001 I b4 Z2 l2 a4 L K
所以 the numbers of the commuters to country Z is 18000 . B/ f# {* N9 R- Y; ~* g 6 O5 z9 N7 }& i$ S1 S+ \the average number of vehicles of country Z is 18000/1.5=12000