A certain automobile company’s best-selling model is the Speedster. The Speedster, like all of their other models, comes in coupe and convertible styles. 3/4 of the current inventory is Speedsters, of which 3/5 are convertibles. If there are 30 vehicles that are not Speedsters, how many Speedster convertibles are there?  Pick one
A) 30 B) 54 C) 60 D) 70 E) 90
Total Vehicle = 3/4 of speedster + 1/4 of others.   Speedster convertibles = 3/4 total vehicle * 3/5   Given : 1/4 constitutes 30 Vehicles. hence 3/4 constitutes 90   Speedster convertibls = 90 * 3/5= 
<gadget id="calculator">90 * 3/5</gadget>
<output>54</output>
54   54
<result>B</result>
A certain automobile company’s best-selling model is the Speedster. The Speedster, like all of their other models, comes in coupe and convertible styles. 3/4 of the current inventory is Speedsters, of which 3/5 are convertibles. If there are 30 vehicles that are not Speedsters, how many Speedster convertibles are there?