Anna is buying tomatoes and jalapenos to make salsa. Tomatoes cost $2.99​ per pound and jalapenos cost $1.33​ per pound. Anna spent $12.65​ buying tomatoes and jalapenos. The relationship between pounds of tomatoes, t​, pounds of jalapenos, j​, and the total cost is represented by the equation 2.99t+1.33j=12.65​. Write an equation that makes it easy to find the number of pounds of jalapenos if we know the number of pounds of tomatoes purchased.