Question 1011884
The problem can be solved with the method demonstrated in this video example:

<a href="https://www.youtube.com/watch?v=-REjxT9KCzQ">Using just one variable for two-part mix problem</a>


Percents and price are both types of concentration.  Think of the different nuts and their prices as the nuts contain some quantity of money per pound.  This is much like percents being counting of numbers of parts "per hundred".