Matt has $550 in his savings account. he is eager to know how much interest the bank will pay him for the whole year. he knows that the bank pays a 3 percent interest rate. he sits down with a pen, paper, and calculator to find out the simple interest

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?