Question 1001409
Same thing over and over again, just different example.


<a href="http://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev">two-part mixture for price</a>


<a href="https://www.youtube.com/watch?v=-REjxT9KCzQ">video example, two part mixture using one variable</a>