Jack spent 2/3 of his time after school, before dinner, doing homework. 1/4 of that time was spent doing math homework. What fraction of his
time after school, before dinner, was spent of math homework?

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge