Rolling a sum of​ 4, 5,​ 6, 8,​ 9, or 10 on the first roll is neither a win nor a loss. What is the probability of the event of neither winning nor losing on the first​ roll?

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