business math
posted by na name on .
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?

If he sold x oatmeal, then he sold 400x wheat.
1.5x + 2(400x) = 700
x = 200
sure enough, 1.5(200) + 2(200) = 700