Question 1068244
p, pounds of peanuts
r, pounds of raisins


{{{system((1.2p+1.35r)/3=3.78,p+r=3)}}}



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


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