posted by Jo
Solve the following equation in the complex number system. Please show all of your work.
solving quintics is hard, so look for easy roots with synthetic division
The manager of a coffee shop has one type of coffee that sells for $5 per pound and another type that sells for
$11 per pound. The manager wishes to mix 60 pounds of the $11 coffee to get a mixture that will sell for $9 per
pound. How many pounds of the $5 coffee should be used?