Luggage case: 55÷ 10=5.5 yuan; 3.6 & lt5.5,

3 18÷50=6 (vehicle) … 18 (person);

The remaining 18 people can rent 2 cars.

A * * * needs to rent six big cars and two small cars.

180× 6+2× 55 =1190 (yuan).

Answer: It costs 1 190 yuan to rent 6 big cars and 2 small cars.