four times as much coffee. they also have five cups , all of the same size, and they pour milk and coffee, according to each individual’s wishes. sam takes black coffee, alley takes half milk and half coffee, and three friends each like one quarter milk and the rest coffee. by filling the cups in this manner, one of the is emptied exactly. which one? how much is left in the other?
5) sam and his cousin tommy just celebrated their birthdays on the same day. tommy is now four times as old as sam is now. sam is a teenager. how old are the two boys?
2, 7, 8, 9, 11, 