SOLUTION: If Robert has ten coins all nickels and dimes worth 70 cents how many of each kind does he have? This equation is for graphing system of equations

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Question 965355: If Robert has ten coins all nickels and dimes worth 70 cents how many of each kind does he have? This equation is for graphing system of equations
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
n + d = 10
5n + 10d = 70