Canning Jelly

Your grandmother 240 ounces of jelly. You had two types of pot. The 10 oz offers the first and the second holds 12 oz Write an equation that represents the same number of jars 10 oz, x, and 12 oz jar, y, which contain all the jelly

10x + 12y = 240

You can also simplify to (divide each term by 2):

5x + 6y = 120