OpenStax, Intermediate Algebra 2e §4.3 Solve Mixture Applications with Systems of Equations · Exercise 17 · Algebra · Systems
Solve Mixture Applications with Systems of Equations · Exercise 17
Translate to a system of equations and solve.
Julia and her husband own a coffee shop. They experimented with mixing a City Roast Columbian coffee that cost $7.80 per pound with French Roast Columbian coffee that cost $8.10 per pound to make a twenty-pound blend. Their blend should cost them $7.92 per pound. How much of each type of coffee should they buy?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Intermediate Algebra 2e · §4.3 Solve Mixture Applications with Systems of Equations · Exercise 17
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