A certain car dealership sells economy cars, luxury cars, and sport utility vehicles. The ratio of economy to luxury cars is 3:2. The ratio of economy cars to sport utility vehicles is 4:2. What is the ratio of luxury cars to sport utility vehicles?	Pick one: A) 9 : 8 B) 8 : 9 C) 3 : 2 D) 8 : 6 E) 1 : 2

Rationale: "the ratio of economy to luxury cars is 3 : 2 - - > e : l = 3 : 2 = 12 : 8 . the ratio of economy cars to sport utility vehicles is 4 : 2 - - > e : s = 4 : 2 = 12 : 6 . thus , l : s = 8 : 6 . answer : d ."
Answer: D