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Mathematics 12 Online
OpenStudy (anonymous):

WILL GIVE MEDAL! You have a total of 21 coins, all nickels and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes (d) and the number of nickels (n) you have.

OpenStudy (anonymous):

|dw:1424406771881:dw|

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