Question 1033229
<a href="https://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev">two-part mixture, price or cost</a>


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