OpenStax, Intermediate Algebra 2e §4.7 Graphing Systems of Linear Inequalities · Review Exercise 84 · Algebra · Systems
Graphing Systems of Linear Inequalities · Review Exercise 84
Translate to a system of equations and solve.
Priam has dimes and pennies in a cup holder in his car. The total value of the coins is $4.21. The number of dimes is three less than four times the number of pennies. How many dimes and how many pennies are in the cup?
OpenStax, Intermediate Algebra 2e · §4.7 Graphing Systems of Linear Inequalities · Review Exercise 84
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