Question 1071008
Too many examples of this type of mixture problem.


x, the pounds of 15% protein material
1800-x, how much of the 55% protein material


{{{highlight_green((15x+55(1800-x))/1800=25)}}}
Simplify, solve for x, and evaluate 1800-x.




<a href="https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev">Mixing two concentrations for known amount of mixture</a>
https://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev


<a href="https://www.youtube.com/watch?v=-REjxT9KCzQ">Two-part mixture, solve using just one variable</a>