Peter Mabel sold a total of 400 Oatmeal ($1.50) and Wheat ($2) breads during the Labor Day weekend. How many of each did Pete sell if total sales were $700?

1 answer

If he sold x oatmeal, then he sold 400-x wheat.

1.5x + 2(400-x) = 700
x = 200

sure enough, 1.5(200) + 2(200) = 700