Question 1031133
<a href="https://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev">Lesson for two-part mixture for price or cost</a>


<a href="https://www.youtube.com/watch?v=-REjxT9KCzQ">Same idea with just one variable.  Price is the type of concentration</a>