OpenStax, Elementary Algebra 2e §5.5 Solve Mixture Applications with Systems of Equations · Exercise 11 · Algebra · Systems
Solve Mixture Applications with Systems of Equations · Exercise 11
Translate to a system of equations and solve.
A cashier has 30 bills, all of which are $10 or $20 bills. The total value of the money is $460. How many of each type of bill does the cashier have?
OpenStax, Elementary Algebra 2e · §5.5 Solve Mixture Applications with Systems of Equations · Exercise 11
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