workers on a factory floor are painting one side of circular discs that will be placed on an assembly line. for every gallon of paint a worker a worker can paint an area that measures 1,256 sqaure feet. if each disk has a radius of two feet how many discs can they paint with one gallon

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?