Lois snell reserved a $350 television set in layaway by putting down a deposit of $35. a service charge of $15 was added to the amount due. if she pays off the layaway at $30 a month, how many months will it be until the television set is all hers?

In 11 months, Lois Snell will have the television set all to herself. I found this by first taking the amount of the television set($350) and subtracting her deposit of ($35) which got me to $315. The I took $315 and added the charge which was ($15) and I got $330. Finally I took the unit price of $30 a month and divided it by the total of $330 and I got an answer of 11 months.

What are the following algebraic equations. you need to post those if you want the answer