timmy wants to figure out which birdseed to buy during the winter. to start out with he buys a small bag of sunflower seeds and a small bag of millet seeds and fills up two bird feeders. he hangs up both bird feeders on sunday morning. each day he measures how much seed is left in each bird feeder. at the end of the week he decides to buy millet seeds because three quarters of that feeder is empty while the sunflower seeds are only half gone