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 5:4. What is the ratio of luxury cars to sport utility vehicles?	Answers:  A) 9:8  B) 8:9  C) 3:2  D) 10:12  E) 1:2
The ratio of economy to luxury cars is 3:2 --&gt; E:L = 3:2 = 15:10.   The ratio of economy cars to sport utility vehicles is 5:4 --&gt; E:S = 5:4 = 15:12.   Thus, L:S = 10:12.   Answer: 10:12.
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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 5:4. What is the ratio of luxury cars to sport utility vehicles?