The volume of a cone varies jointly with the area of the base and the height. when the area of the base is 27 cm2 and the height is 6 cm, the volume is 54 cm3. therefore, the area of the base is _ cm^2 when the height is 12 cm and the volume is 124 cm^3.

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?