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OpenStax, Elementary Algebra 2e §5.5 Solve Mixture Applications with Systems of Equations · Exercise 9 · Algebra · Systems

Solve Mixture Applications with Systems of Equations · Exercise 9

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Peter has been saving his loose change for several days. When he counted his quarters and dimes, he found they had a total value $13.10. The number of quarters was fifteen more than three times the number of dimes. How many quarters and how many dimes did Peter have?

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OpenStax, Elementary Algebra 2e · §5.5 Solve Mixture Applications with Systems of Equations · Exercise 9

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