Question 848302
Same type, different example...  


<a href="http://http://www.algebra.com/tutors/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev">This mixture lesson takes care of all of them!</a>

http://www.algebra.com/tutors/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev