SOLUTION: Marina has a total of 21 coins in dimes and quarters. She had two times as many dimes as quarters a) define the variables b) state the system of equations that model this sit

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Marina has a total of 21 coins in dimes and quarters. She had two times as many dimes as quarters a) define the variables b) state the system of equations that model this sit      Log On


   



Question 1011835: Marina has a total of 21 coins in dimes and quarters. She had two times as many dimes as quarters
a) define the variables
b) state the system of equations that model this situation
c) determine how many dimes and quarters marina has
d) how much money does marina have

Answer by stanbon(75887) About Me  (Show Source):