SOLUTION: mr.chang has 30 coins consisting of dimes and quarters. the total value of the coins is $4.50. how many coins of each kind does mr.chang have?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: mr.chang has 30 coins consisting of dimes and quarters. the total value of the coins is $4.50. how many coins of each kind does mr.chang have?      Log On


   

Question 735224: mr.chang has 30 coins consisting of dimes and quarters. the total value of the coins is $4.50. how many coins of each kind does mr.chang have?
Answer by solver91311(24713) About Me  (Show Source):
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Let represent the number of dimes and represent the number of quarters. Then:





Solve for

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