Mr. Corona sells magazines part-time. He is paid a monthly commission. He receives 21% of his first $1,500 in sales and 14% of the remaining balance of his sales. Last month he sold $2,223 worth of magazine subscriptions. How much commission did he make last month?

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?