Question 1119385
One of the most common kinds of mixture exercise problems.  Know how to do them:

 

<a href="https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev">LESSON: two-part mixture  https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev</a>
https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev


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