1 S/ B0 P @) ]- E2 X+ V" o _这个你肯定题目看错了:- B( u/ P, f3 Q- z7 \
country W is twice the number to country Z 5 A$ i7 b- j% | & E/ `: D/ C+ N) }the numbers of the commuters to country W is 1.2*30000=36000 , k! }1 J1 o% V2 r9 J$ c所以 the numbers of the commuters to country Z is 180009 F V" \- m6 f( ~7 @- J0 o( ]
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the average number of vehicles of country Z is 18000/1.5=12000