Help me with this assignment problem​

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

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

24m^2n+30mn^2+18mn, a sweet challenge!